# [75] Batch Wizard Report

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## Summary Report (Partial)

### 1. Documents that have errors

- http://www.apat.gov.it/html/corso_ogm/ (1), [and 6 warnings]
- http://www.apat.gov.it/pre_mare/doc_lib.html (5), [and 5 warnings]
- http://www.apat.gov.it/pre_mare/home.html (3), [and 4 warnings]
- http://www.apat.gov.it/pre_mare/link_lib.html (13), [and 6 warnings]
- http://www.apat.gov.it/pre_mare/prev_lib.html (4), [and 6 warnings]
- http://www.apat.gov.it/pre_mare/situazione_lib.html (3), [and 6 warnings]
- http://www.apat.gov.it/pre_meteo/img/stile.css (8), [and 9 warnings]
- http://www.apat.gov.it/pre_meteo/nondisp.html (2), [and 2 warnings]

### 2. Documents that have warnings

- http://www.apat.gov.it/ithaca (10)
- http://www.apat.gov.it/pre_mare/css/style.css (6)

### 3. Documents that have no errors or warnings

## Validation Reports

### http://www.apat.gov.it/html/corso_ogm/

Line:char | Type | Message Description
--- | --- | ---
| Message (Web Content Accessibility Guidelines 1.0) [ACCESSIBILITY] | [73] WCAG 1.0 accessibility checking is disabled.
| Message (Section 508 Accessibility Standards) [ACCESSIBILITY] | [73] Section 508 accessibility checking is disabled.
6:2 | Message (Search Engine) | Tip - A good title is very important for search engine listings. Use many keywords and search terms in the title but make it readable. Don't just stuff keywords in the title. The title should also be something that a user will want to click on when it's listed on a search engine. A good title is also important when a visitor bookmarks a page. Example: <title>Download CSE HTML Validator - Powerful HTML and Link Checking Software for Windows</title>. AI Internet Solutions also recommends that the "title" tag be the first tag inside the "head" section.
6:8 | Message (Search Engine) | [8] This document's title contains only 2 words. It may be inadequate for search engine purposes. A good title is important to your search engine rankings and listings. AI Internet Solutions recommends a title that is 5-15 words in length and that contains a relevant and descriptive phrase. The title should also contain keywords and search terms while remaining readable.
14:2 | Message (Good Style) [CSS] | When a foreground color is defined, it is recommended that a background color also be defined (by using the "background" or "background-color" property). This helps to avoid conflict with user-defined style sheets and to improve accessibility.
16:3 | Message (General Compatibility) [CSS] | The ":visited" pseudo-class is an official CSS1 and CSS2 pseudo-class and is supported by Internet Explorer 4.0+, Netscape 4.x+, and Opera 3.5+ but not by Internet Explorer 3.0-, Netscape 3.x-, and Opera 3.0-. Note that Netscape 4.x's support is buggy (a:link and a:visited psuedo-classes do not override 'a' selectors when they should). This pseudo-class refers to links that have already been visited by the user.
17:2 | Message (Good Style) [CSS] | When a foreground color is defined, it is recommended that a background color also be defined (by using the "background" or "background-color" property). This helps to avoid conflict with user-defined style sheets and to improve accessibility.
19:3 | Message (General Compatibility) [CSS] | The ":active" pseudo-class is an official CSS1 and CSS2 pseudo-class and is supported by Internet Explorer 4.0+, Netscape 6.0+, and Opera 5.0+ but not by Internet Explorer 3.0-, Netscape 4.x-, and Opera 4.x-. This pseudo-class refers to any element that is in the process of being activated (clicked).
20:2 | Message (Good Style) [CSS] | When a foreground color is defined, it is recommended that a background color also be defined (by using the "background" or "background-color" property). This helps to avoid conflict with user-defined style sheets and to improve accessibility.
25:2 | Message (Good Style) [CSS] | When a foreground color is defined, it is recommended that a background color also be defined (by using the "background" or "background-color" property). This helps to avoid conflict with user-defined style sheets and to improve accessibility.
34:104 | Warning | [13] HTML 4.01 and XHTML require that the "alt" attribute be used with the "img" element. The "alt" attribute is critical for accessibility. It lets authors specify equivalent text to serve as content when the image cannot be seen or displayed. Use alt="" when alternate text is not appropriate, such as when images are intended to format a page (such as spacer images).
34:151 | Error | The end tag for "a" was found, but "a" was never opened, has been ended too many times, or cannot have an end tag. <div id="Layer1" style="position:absolute; left:762px; top:1px; width:147px; height:89px; z-index:1"> <img src="foglia.gif" width="125" height="130"></a></div>
34:18 | Message (General) [CSS] | The "style" attribute has been used but a default style sheet language has not been defined (note that HTML Validator would not see this declaration if it is sent as an HTTP header by a web server). HTML 4.01 and XHTML require this for correct documents. However, for all practical purposes, leaving it out is very unlikely to cause problems. If you still want to define a default style sheet language, then include this in the "head" section of your document to specify "text/css" as the default style sheet language: <meta http-equiv="Content-Style-Type" content="text/css">. If you are using HTML Validator's integrated editor, then you can add this from the Tags menu or from the Tag Inserter. Because this issue is very unlikely to cause problems, consider ignoring or disabling this message. See http://www.w3.org/TR/html4/present/styles.html#default-style for more information.
34:18 | Message (CSS Tips) [CSS] | Use the inline "style" attribute sparingly. Using this attribute too often can prevent you from receiving many of the benefits of CSS like easier to maintain and less cluttered documents. Consider using a single CSS style sheet instead of relying too much on the "style" attribute. This message is displayed only once.
34:104 | Message (Search Engine) | [8] Alt text is often used by search engines. Use this to your advantage (but do it appropriately). Furthermore, alt text is critical for accessibility. For these reasons and others, it is highly recommended that appropriate alt text be specified using the "alt" attribute. This message is displayed only once.
35:2 | Message (General Compatibility) | [5] The "table" element is an official HTML 4.01 and XHTML element but may not be supported by older or nongraphical browsers. Furthermore, nongraphical browsers that do support tables may not support them the way that you expect. However, most browsers used today should support this element.
35:32 | Message (Deprecated) | [9] The "align" and "bgcolor" attributes for the "table" element are deprecated in HTML 4.01 and XHTML in favor of using style sheets. Instead of align="center", consider using the following CSS to center the table: "margin-left: auto; margin-right: auto". This is the correct CSS way but it may not work with some (mostly older) browsers. Instead of the "bgcolor" attribute, consider using the CSS property "background-color". Example: style="background-color: #FFFFFF".
38:34 | Warning | [13] HTML 4.01 and XHTML require that the "alt" attribute be used with the "img" element. The "alt" attribute is critical for accessibility. It lets authors specify equivalent text to serve as content when the image cannot be seen or displayed. Use alt="" when alternate text is not appropriate, such as when images are intended to format a page (such as spacer images).
38:9 | Message (Deprecated) | [9] The "height" and "width" attributes for the "td" and "th" elements are deprecated in HTML 4.01 and XHTML in favor of using style sheets.
44:20 | Message (General Compatibility) | [5] The "height" attribute for the "table" element is not an official HTML or XHTML attribute and is currently only supported by some versions of Internet Explorer and Netscape. Note that Netscape 6.0+ does not support this attribute.
46:41 | Warning | [13] HTML 4.01 and XHTML require that the "alt" attribute be used with the "img" element. The "alt" attribute is critical for accessibility. It lets authors specify equivalent text to serve as content when the image cannot be seen or displayed. Use alt="" when alternate text is not appropriate, such as when images are intended to format a page (such as spacer images).
46:26 | Message (Deprecated) | [9] The "align" attribute is deprecated in HTML 4.01 and XHTML in favor of using style sheets. Instead of align="right", consider using the CSS "text-align: right" instead.
58:22 | Warning | [13] HTML 4.01 and XHTML require that the "alt" attribute be used with the "img" element. The "alt" attribute is critical for accessibility. It lets authors specify equivalent text to serve as content when the image cannot be seen or displayed. Use alt="" when alternate text is not appropriate, such as when images are intended to format a page (such as spacer images).
66:10 | Warning | [13] HTML 4.01 and XHTML require that the "alt" attribute be used with the "img" element. The "alt" attribute is critical for accessibility. It lets authors specify equivalent text to serve as content when the image cannot be seen or displayed. Use alt="" when alternate text is not appropriate, such as when images are intended to format a page (such as spacer images).
69:10 | Warning | [13] HTML 4.01 and XHTML require that the "alt" attribute be used with the "img" element. The "alt" attribute is critical for accessibility. It lets authors specify equivalent text to serve as content when the image cannot be seen or displayed. Use alt="" when alternate text is not appropriate, such as when images are intended to format a page (such as spacer images).
| Comment (Accessibility Tips) [ACCESSIBILITY] | This program can help you make your web pages more accessible. An accessible page is one that more individuals can use, such as individuals who are blind or deaf. It can also increase the usefulness of your web page for individuals who browse the web using slower devices like older computers or wireless devices like cell phones and PDAs. An accessible web site makes good business sense (and possibly good legal sense as well). You can enable or disable accessibility checking in the Validator Engine Options.
| Comment | Possibly misspelled words (38, 32 unique): accessibile (1x), Agenzia (1x), ambientale (1x), ambientali (1x), APAT (1x), attivit (1x), connesse (1x), deliberato (1x), dell'ambiente (1x), Educazione (1x), formazione (1x), Geneticamente (1x), Il (1x), ispettive (1x), Modificati (1x), ora (1x), Organismi (1x), previa (1x), problematiche (1x), protezione (1x), pubblicato (1x), registrazione (1x), Rilascio (1x), servizi (1x), sito (1x), tecnici (1x), territorio (1x), Corso (2x), di (2x), OGM (2x), sul (2x), DWLayoutTable (3x). Complete list.
| Comment | HTML 4.01 Transitional document detected.
| Comment (Search Engine) | [113] Random Search Engine Tip #19 - Don't cloak. Cloaking is delivering search engine optimized content to search engine spiders while delivering different content to actual human visitors. Many search engines can detect this type of spam and may even completely ban a site if cloaking is detected.
| Comment (Search Engine) | [8] <meta name="description" content="(actual description)"> should be used in the "head" section to provide a brief description of what is contained on this page. This information is used by many search engines when indexing a site. If you are using HTML Validator's integrated editor, then you can add this from the Tags menu or from the Tag Inserter.
| Comment (Search Engine) | [8] <meta name="keywords" content="(actual keyword list)"> should be used in the "head" section to provide a list of keywords that are relevent to this page. This information is used by many search engines when indexing a site. If you are using HTML Validator's integrated editor, then you can add this from the Tags menu or from the Tag Inserter.
| Comment | An ICRA RDF label was not found in the "head" section of this document. Browsers that are enabled with this rating system may not display documents that have not been labelled. It is recommended that every page include an ICRA label. For more information, please visit http://www.icra.org/.
| Comment | [10] CSE HTML Validator Std/Pro allows you to disable certain messages (like this example message) and groups of related messages by disabling flags. For instance, the [10] at the beginning of this message indicates that you can disable this message by disabling validator flag 10. If you are using HTML Validator's integrated editor, then you can simply use your mouse on this message to open the context menu (usually done by right-clicking the mouse on this message) and select 'Disable Flag 10' to disable this message. For more information about disabling messages, please look at the Configuration section in the documentation.
| Comment | CSE HTML Validator Std/Pro allows you to disable many messages on an individual basis without using flags. For instance, you can disable this message by using HTML Validator's integrated editor to open the context menu for this message (usually done by right-clicking the mouse on this message) and selecting 'Options for this Message->Disable Message' to disable this message. For more information about disabling messages, please look at the Configuration section in the documentation.
| Comment | 2462 bytes; 1.7s@14.4Kbps, 0.9s@28.8, 0.5s@50, 0.4s@64, 0.2s@128, 0.1s@384, 0.0s@512, 0.0s@768, 0.0s@1.5Mbps, 0.0s@10Mbps.
| Comment | 0.02s, 1 error, 6 warnings, 18 messages, 11 validator comments, 74 lines, 42 tags (36 closed), 3 document comments, 4 entities, 134 programs run.

[ Summary ] [ To the top ]

### http://www.apat.gov.it/ithaca

Line:char | Type | Message Description
--- | --- | ---
| Message (Web Content Accessibility Guidelines 1.0) [ACCESSIBILITY] | [73] WCAG 1.0 accessibility checking is disabled.
| Message (Section 508 Accessibility Standards) [ACCESSIBILITY] | [73] Section 508 accessibility checking is disabled.
6:2 | Message (Search Engine) | Tip - A good title is very important for search engine listings. Use many keywords and search terms in the title but make it readable. Don't just stuff keywords in the title. The title should also be something that a user will want to click on when it's listed on a search engine. A good title is also important when a visitor bookmarks a page. Example: <title>Download CSE HTML Validator - Powerful HTML and Link Checking Software for Windows</title>. AI Internet Solutions also recommends that the "title" tag be the first tag inside the "head" section.
22:10 | Message (Good Style) [CSS] | When a foreground color is defined, it is recommended that a background color also be defined (by using the "background" or "background-color" property). This helps to avoid conflict with user-defined style sheets and to improve accessibility.
24:2 | Message (Good Style) [CSS] | When a foreground color is defined, it is recommended that a background color also be defined (by using the "background" or "background-color" property). This helps to avoid conflict with user-defined style sheets and to improve accessibility.
30:2 | Message (Good Style) [CSS] | When a foreground color is defined, it is recommended that a background color also be defined (by using the "background" or "background-color" property). This helps to avoid conflict with user-defined style sheets and to improve accessibility.
39:4 | Message (Deprecated) | [9] The "align" attribute is deprecated in HTML 4.01 and XHTML in favor of using style sheets. Instead of align="center", consider using the CSS "text-align: center" instead.
41:7 | Message (General Compatibility) | HTML 4.01 and XHTML allow the "name" attribute with the "form" element for backward compatibility. However, the "id" attribute should be used to identify elements. Previously, HTML 4.0 did not allow the "name" attribute with the "form" element. It is recommended that both "name" and "id" attributes be used when using the "form" element. The values for both of these attributes should be identical.
44:10 | Warning | The "label" element contains no text and may be useless. Consider removing this element or placing text in it so that it contains text.
50:6 | Message (General Compatibility) | [5] The "table" element is an official HTML 4.01 and XHTML element but may not be supported by older or nongraphical browsers. Furthermore, nongraphical browsers that do support tables may not support them the way that you expect. However, most browsers used today should support this element.
52:65 | Message (Deprecated) | [9] The "height" and "width" attributes for the "td" and "th" elements are deprecated in HTML 4.01 and XHTML in favor of using style sheets.
65:103 | Message (General) [CSS] | The "style" attribute has been used but a default style sheet language has not been defined (note that HTML Validator would not see this declaration if it is sent as an HTTP header by a web server). HTML 4.01 and XHTML require this for correct documents. However, for all practical purposes, leaving it out is very unlikely to cause problems. If you still want to define a default style sheet language, then include this in the "head" section of your document to specify "text/css" as the default style sheet language: <meta http-equiv="Content-Style-Type" content="text/css">. If you are using HTML Validator's integrated editor, then you can add this from the Tags menu or from the Tag Inserter. Because this issue is very unlikely to cause problems, consider ignoring or disabling this message. See http://www.w3.org/TR/html4/present/styles.html#default-style for more information.
65:103 | Message (CSS Tips) [CSS] | Use the inline "style" attribute sparingly. Using this attribute too often can prevent you from receiving many of the benefits of CSS like easier to maintain and less cluttered documents. Consider using a single CSS style sheet instead of relying too much on the "style" attribute. This message is displayed only once.
105:19 | Message (General Compatibility) | No option was selected using the "selected" attribute in this "select" tag. Because browsers behave differently, it is recommended that you use the "selected" attribute in an "option" tag to explicitly specify a default pre-selected option.
114:55 | Warning | [64] An invalid character reference was found in the "href" attribute value. The most likely cause is an unencoded ampersand. This is a common error that should be fixed (even though it still works most of the time). Ampersands should be encoded as "&amp;" even when specifying script variables. Web browsers will convert the "&amp;" entities back to just '&'. Example: href="script.cgi?var1=value&var2=value" should be href="script.cgi?var1=value&amp;var2=value". Note that the ampersand in the URL was encoded as "&amp;". Other causes of invalid references are misspelled entity names and missing semicolons.
115:28 | Warning | The "b" element contains no text and may be useless. Consider removing this element or placing text in it so that it contains text.
115:31 | Warning | The "font" element contains no text and may be useless. Consider removing this element or placing text in it so that it contains text.
115:28 | Message (Good Style) | The "strong" element should be used instead of the "b" element when you want to denote strong emphasis. The "b" element should only be used when you want bold typeface but do not want strong emphasis. Many web authors use the "b" element when the "strong" element would be more appropriate.
115:31 | Message (Deprecated) | [9] The "font" element and all of its attributes are deprecated in HTML 4.01 and XHTML in favor of using style sheets (use the "color", "font", "font-family", "font-size", and other CSS font properties instead).
116:4 | Warning | The "marquee" element contains no text and may be useless. Consider removing this element or placing text in it so that it contains text.
116:4 | Message (Good Style) | [7] Consider using the "height" attribute with the "marquee" element. This will cause "marquee" to render faster and is considered to be good style.
116:4 | Message (Microsoft Internet Explorer) | [1] [21] The "marquee" element is not an official HTML or XHTML element and is currently only supported by Internet Explorer and WebTV. For instance, Netscape 4.0 does not support the "marquee" element.
122:18 | Warning | [13] HTML 4.01 and XHTML require that the "alt" attribute be used with the "area" element. This attribute lets authors specify alternate text to serve as content when the element cannot be rendered or accessed normally. For example, this attribute is critical for visually impaired users and user agents that cannot display images and image maps.
137:18 | Warning | [13] HTML 4.01 and XHTML require that the "alt" attribute be used with the "area" element. This attribute lets authors specify alternate text to serve as content when the element cannot be rendered or accessed normally. For example, this attribute is critical for visually impaired users and user agents that cannot display images and image maps.
151:8 | Warning | The "label" element contains no text and may be useless. Consider removing this element or placing text in it so that it contains text.
154:8 | Warning | The "label" element contains no text and may be useless. Consider removing this element or placing text in it so that it contains text.
157:8 | Warning | The "label" element contains no text and may be useless. Consider removing this element or placing text in it so that it contains text.
| Comment (Accessibility Tips) [ACCESSIBILITY] | This program can help you make your web pages more accessible. An accessible page is one that more individuals can use, such as individuals who are blind or deaf. It can also increase the usefulness of your web page for individuals who browse the web using slower devices like older computers or wireless devices like cell phones and PDAs. An accessible web site makes good business sense (and possibly good legal sense as well). You can enable or disable accessibility checking in the Validator Engine Options.
| Comment | Possibly misspelled words (53, 28 unique): adige (1x), Giulianelli (1x), regione (1x), SINANET (1x), Abruzzo (2x), Aosta (2x), Basilicata (2x), Calabria (2x), Campania (2x), CApable (2x), Emilia (2x), Friuli (2x), HAzard (2x), ITaly (2x), Lazio (2x), Liguria (2x), Lombardia (2x), Marche (2x), Molise (2x), Piemonte (2x), Puglia (2x), Romagna (2x), Sicilia (2x), Toscana (2x), Trentino (2x), Umbria (2x), Veneto (2x), ITHACA (3x). Complete list.
| Comment | HTML 4.01 Transitional document detected.
| Comment (Search Engine) | [113] Random Search Engine Tip #19 - Don't cloak. Cloaking is delivering search engine optimized content to search engine spiders while delivering different content to actual human visitors. Many search engines can detect this type of spam and may even completely ban a site if cloaking is detected.
| Comment (Search Engine) | [8] <meta name="description" content="(actual description)"> should be used in the "head" section to provide a brief description of what is contained on this page. This information is used by many search engines when indexing a site. If you are using HTML Validator's integrated editor, then you can add this from the Tags menu or from the Tag Inserter.
| Comment (Search Engine) | [8] <meta name="keywords" content="(actual keyword list)"> should be used in the "head" section to provide a list of keywords that are relevent to this page. This information is used by many search engines when indexing a site. If you are using HTML Validator's integrated editor, then you can add this from the Tags menu or from the Tag Inserter.
| Comment | An ICRA RDF label was not found in the "head" section of this document. Browsers that are enabled with this rating system may not display documents that have not been labelled. It is recommended that every page include an ICRA label. For more information, please visit http://www.icra.org/.
| Comment | [10] CSE HTML Validator Std/Pro allows you to disable certain messages (like this example message) and groups of related messages by disabling flags. For instance, the [10] at the beginning of this message indicates that you can disable this message by disabling validator flag 10. If you are using HTML Validator's integrated editor, then you can simply use your mouse on this message to open the context menu (usually done by right-clicking the mouse on this message) and select 'Disable Flag 10' to disable this message. For more information about disabling messages, please look at the Configuration section in the documentation.
| Comment | CSE HTML Validator Std/Pro allows you to disable many messages on an individual basis without using flags. For instance, you can disable this message by using HTML Validator's integrated editor to open the context menu for this message (usually done by right-clicking the mouse on this message) and selecting 'Options for this Message->Disable Message' to disable this message. For more information about disabling messages, please look at the Configuration section in the documentation.
| Comment | 7479 bytes; 5.2s@14.4Kbps, 2.6s@28.8, 1.5s@50, 1.2s@64, 0.6s@128, 0.2s@384, 0.1s@512, 0.1s@768, 0.0s@1.5Mbps, 0.0s@10Mbps.
| Comment | 0.03s, 0 errors, 10 warnings, 17 messages, 11 validator comments, 163 lines, 103 tags (77 closed), 0 document comments, 7 entities, 280 programs run.

[ Summary ] [ To the top ]

### http://www.apat.gov.it/pre_mare/css/style.css

Line:char | Type | Message Description
--- | --- | ---
| Message (Web Content Accessibility Guidelines 1.0) [ACCESSIBILITY] | [73] WCAG 1.0 accessibility checking is disabled.
| Message (Section 508 Accessibility Standards) [ACCESSIBILITY] | [73] Section 508 accessibility checking is disabled.
15:10 | Message (General) [CSS] | The <border-style> value for the "border" property was omitted. This will result in no border being applied because the default of <border-style> is "none".
60:14 | Message (General Compatibility) [CSS] | The ":visited" pseudo-class is an official CSS1 and CSS2 pseudo-class and is supported by Internet Explorer 4.0+, Netscape 4.x+, and Opera 3.5+ but not by Internet Explorer 3.0-, Netscape 3.x-, and Opera 3.0-. Note that Netscape 4.x's support is buggy (a:link and a:visited psuedo-classes do not override 'a' selectors when they should). This pseudo-class refers to links that have already been visited by the user.
61:2 | Message (Good Style) [CSS] | When a foreground color is defined, it is recommended that a background color also be defined (by using the "background" or "background-color" property). This helps to avoid conflict with user-defined style sheets and to improve accessibility.
73:2 | Message (Good Style) [CSS] | When a foreground color is defined, it is recommended that a background color also be defined (by using the "background" or "background-color" property). This helps to avoid conflict with user-defined style sheets and to improve accessibility.
93:3 | Message (Good Style) [CSS] | When a foreground color is defined, it is recommended that a background color also be defined (by using the "background" or "background-color" property). This helps to avoid conflict with user-defined style sheets and to improve accessibility.
100:15 | Message (Good Style) [CSS] | When a foreground color is defined, it is recommended that a background color also be defined (by using the "background" or "background-color" property). This helps to avoid conflict with user-defined style sheets and to improve accessibility.
101:18 | Message (Good Style) [CSS] | When a foreground color is defined, it is recommended that a background color also be defined (by using the "background" or "background-color" property). This helps to avoid conflict with user-defined style sheets and to improve accessibility. This is the last time that this message will be generated. There may be more places where a foreground color was defined without a background color.
103:9 | Message (General Compatibility) [CSS] | The ":active" pseudo-class is an official CSS1 and CSS2 pseudo-class and is supported by Internet Explorer 4.0+, Netscape 6.0+, and Opera 5.0+ but not by Internet Explorer 3.0-, Netscape 4.x-, and Opera 4.x-. This pseudo-class refers to any element that is in the process of being activated (clicked).
131:2 | Message (Good Style) [CSS] | When a background color is defined, it is recommended that a foreground color also be defined (by using the "color" property). This helps to avoid conflict with user-defined style sheets and to improve accessibility.
216:15 | Warning (General) [CSS] | It is recommended that a generic font family name be specified as the last font family name. If the preceding font family names are not available then the browser should fall back to the generic font family name. The generic font family names are serif, sans-serif, cursive, fantasy, and monospace. Be sure not to use quotes around generic font family names.
231:15 | Warning (General) [CSS] | It is recommended that a generic font family name be specified as the last font family name. If the preceding font family names are not available then the browser should fall back to the generic font family name. The generic font family names are serif, sans-serif, cursive, fantasy, and monospace. Be sure not to use quotes around generic font family names.
245:15 | Warning (General) [CSS] | It is recommended that a generic font family name be specified as the last font family name. If the preceding font family names are not available then the browser should fall back to the generic font family name. The generic font family names are serif, sans-serif, cursive, fantasy, and monospace. Be sure not to use quotes around generic font family names.
260:15 | Warning (General) [CSS] | It is recommended that a generic font family name be specified as the last font family name. If the preceding font family names are not available then the browser should fall back to the generic font family name. The generic font family names are serif, sans-serif, cursive, fantasy, and monospace. Be sure not to use quotes around generic font family names.
265:2 | Message (Good Style) [CSS] | When a background color is defined, it is recommended that a foreground color also be defined (by using the "color" property). This helps to avoid conflict with user-defined style sheets and to improve accessibility.
266:15 | Warning (General) [CSS] | It is recommended that a generic font family name be specified as the last font family name. If the preceding font family names are not available then the browser should fall back to the generic font family name. The generic font family names are serif, sans-serif, cursive, fantasy, and monospace. Be sure not to use quotes around generic font family names.
281:2 | Message (Good Style) [CSS] | When a background color is defined, it is recommended that a foreground color also be defined (by using the "color" property). This helps to avoid conflict with user-defined style sheets and to improve accessibility.
289:2 | Message (Good Style) [CSS] | When a background color is defined, it is recommended that a foreground color also be defined (by using the "color" property). This helps to avoid conflict with user-defined style sheets and to improve accessibility.
295:10 | Message (General) [CSS] | The <border-style> value for the "border" property was omitted. This will result in no border being applied because the default of <border-style> is "none".
361:2 | Message (Good Style) [CSS] | When a background color is defined, it is recommended that a foreground color also be defined (by using the "color" property). This helps to avoid conflict with user-defined style sheets and to improve accessibility. This is the last time that this message will be generated. There may be more places where a background color was defined without a foreground color.
722:10 | Message (General) [CSS] | The <border-style> value for the "border" property was omitted. This will result in no border being applied because the default of <border-style> is "none".
729:10 | Message (General) [CSS] | The <border-style> value for the "border" property was omitted. This will result in no border being applied because the default of <border-style> is "none".
746:2 | Warning (General) [CSS] | The "background" shorthand property and the "background-color" property have both been used. The "background" shorthand property already defines the following properties: "background-attachment", "background-color", "background-image", "background-position", and "background-repeat". Therefore, the "background-color" property has been defined twice. Use of the "background" shorthand property is encouraged over the other background properties because it's more widely supported and it's quicker to type.
| Comment (Accessibility Tips) [ACCESSIBILITY] | This program can help you make your web pages more accessible. An accessible page is one that more individuals can use, such as individuals who are blind or deaf. It can also increase the usefulness of your web page for individuals who browse the web using slower devices like older computers or wireless devices like cell phones and PDAs. An accessible web site makes good business sense (and possibly good legal sense as well). You can enable or disable accessibility checking in the Validator Engine Options.
| Comment | CSS document detected.

[ Summary ] [ To the top ]

### http://www.apat.gov.it/pre_mare/doc_lib.html

Line:char | Type | Message Description
--- | --- | ---
| Message (Web Content Accessibility Guidelines 1.0) [ACCESSIBILITY] | [73] WCAG 1.0 accessibility checking is disabled.
| Message (Section 508 Accessibility Standards) [ACCESSIBILITY] | [73] Section 508 accessibility checking is disabled.
5:2 | Message (Search Engine) | Tip - A good title is very important for search engine listings. Use many keywords and search terms in the title but make it readable. Don't just stuff keywords in the title. The title should also be something that a user will want to click on when it's listed on a search engine. A good title is also important when a visitor bookmarks a page. Example: <title>Download CSE HTML Validator - Powerful HTML and Link Checking Software for Windows</title>. AI Internet Solutions also recommends that the "title" tag be the first tag inside the "head" section.
5:8 | Message (Search Engine) | [8] This document's title contains only 1 word. It may be inadequate for search engine purposes. A good title is important to your search engine rankings and listings. AI Internet Solutions recommends a title that is 5-15 words in length and that contains a relevant and descriptive phrase. The title should also contain keywords and search terms while remaining readable.
6:64 | Error | The attribute value "text/javascript" for the "type" attribute was not enclosed in single or double quotation marks when it must be. In HTML 4.01, attribute values containing characters other than A-Z, a-z, 0-9, hyphens, periods, underscores, and colons must be quoted. In XHTML/XML, all attribute values must be quoted. Quotes are recommended even if they are not required. <SCRIPT language=JavaScript src="script/main_arraylib.js" type=text/javascript></SCRIPT>
8:56 | Error | The attribute value "text/javascript" for the "type" attribute was not enclosed in single or double quotation marks when it must be. In HTML 4.01, attribute values containing characters other than A-Z, a-z, 0-9, hyphens, periods, underscores, and colons must be quoted. In XHTML/XML, all attribute values must be quoted. Quotes are recommended even if they are not required. <SCRIPT language=JavaScript src="script/mmenu.js" type=text/javascript></SCRIPT>
15:2 | Message (Microsoft Internet Explorer) [CSS] | [600] The "behavior" CSS property is not an official CSS property and is only supported by Internet Explorer 5.0+. Firefox, Netscape, Opera, and most other browsers do not support this property.
32:2 | Warning | [13] HTML 4.01 and XHTML require that the "alt" attribute be used with the "img" element. The "alt" attribute is critical for accessibility. It lets authors specify equivalent text to serve as content when the image cannot be seen or displayed. Use alt="" when alternate text is not appropriate, such as when images are intended to format a page (such as spacer images).
32:2 | Message (Search Engine) | [8] Alt text is often used by search engines. Use this to your advantage (but do it appropriately). Furthermore, alt text is critical for accessibility. For these reasons and others, it is highly recommended that appropriate alt text be specified using the "alt" attribute. This message is displayed only once.
34:32 | Warning | [13] HTML 4.01 and XHTML require that the "alt" attribute be used with the "img" element. The "alt" attribute is critical for accessibility. It lets authors specify equivalent text to serve as content when the image cannot be seen or displayed. Use alt="" when alternate text is not appropriate, such as when images are intended to format a page (such as spacer images).
34:84 | Warning | [13] HTML 4.01 and XHTML require that the "alt" attribute be used with the "img" element. The "alt" attribute is critical for accessibility. It lets authors specify equivalent text to serve as content when the image cannot be seen or displayed. Use alt="" when alternate text is not appropriate, such as when images are intended to format a page (such as spacer images).
37:24 | Warning | [13] HTML 4.01 and XHTML require that the "alt" attribute be used with the "img" element. The "alt" attribute is critical for accessibility. It lets authors specify equivalent text to serve as content when the image cannot be seen or displayed. Use alt="" when alternate text is not appropriate, such as when images are intended to format a page (such as spacer images).
37:33 | Message (General Compatibility) | [5] PNG images are generally well supported in today's browsers EXCEPT for Microsoft Internet Explorer 6.0 and below. IE 6.0 will not render PNG images correctly in certain cases. Because of the popularity of Internet Explorer, you may want to consider using GIF or JPG images instead, especially when using the transparency features of PNG which IE 6.0 does not support well. Fortunately PNG support has been improved in IE 7.0. This message is displayed only once. There may be other PNG images specified in this document.
56:4 | Message | [41] The "div" tag has no attributes. Attributes are normally used with the "div" element to provide functionality.
57:27 | Message (Deprecated) | [9] The "align" attribute is deprecated in HTML 4.01 and XHTML in favor of using style sheets. Instead of align="justify", consider using the CSS "text-align: justify" instead.
61:144 | Error | The end tag for "dt" was found, but "dt" was never opened, has been ended too many times, or cannot have an end tag. <a href="./documenti/PRESS_RELEASE.pdf">Italian Delegation update on Jieh power plant antipollution operations Beirut November 15 2006</a></dt>
64:96 | Error | The end tag for "dt" was found, but "dt" was never opened, has been ended too many times, or cannot have an end tag. <a href="./documenti/relazione_completa.pdf">Activity Report - September-November 2006</a></dt>
67:14 | Warning | Using space characters in URLs may cause problems. If spaces must be used in URLs, then they should be encoded as "%20" (without the quotes). However, avoid spaces in URLs whenever possible and consider using the underscore character (_) instead of space characters in directory names and filenames.
67:111 | Error | The end tag for "dt" was found, but "dt" was never opened, has been ended too many times, or cannot have an end tag. <a href="./documenti/Investigation Plan_Jieh.pdf">Jieh Power Plant Site - Investigation Plan Proposal</a></dt>
| Comment (Accessibility Tips) [ACCESSIBILITY] | This program can help you make your web pages more accessible. An accessible page is one that more individuals can use, such as individuals who are blind or deaf. It can also increase the usefulness of your web page for individuals who browse the web using slower devices like older computers or wireless devices like cell phones and PDAs. An accessible web site makes good business sense (and possibly good legal sense as well). You can enable or disable accessibility checking in the Validator Engine Options.
| Comment | You can disable all the error messages for improperly quoted attribute values by having HTML Validator ignore and disregard the quotation mark requirements for attribute values. This option is in CSE HTML Validator's Validator Engine Options. However, it is recommended that you leave these error messages enabled and that you properly enclose attribute values in quotation marks.
| Comment | You can use the Quick Quote Tool in the editor to quickly enclose all attribute values in quotation marks.
| Comment | Possibly misspelled words (18, 14 unique): APAT (1x), disponibili (1x), il (1x), Informazioni (1x), Libano (1x), meteomarine (1x), rete (1x), Riservata (1x), situazione (1x), stato (1x), sullo (1x), Jieh (2x), Previsioni (2x), Documenti (3x). Complete list.
| Comment | HTML 4.01 Transitional document detected.
| Comment (Search Engine) | [113] Random Search Engine Tip #12 - Many elements support the "title" attribute that is used for annotation (do not confuse the "title" element with the "title" attribute). Consider annotating tags like "a" with something like title="Read about <keywords>". Annotate with keywords and search terms. Some browsers, like Firefox, will also display the value of the "title" attribute when the user hovers the mouse over content with a "title" attribute.
| Comment (Search Engine) | [8] <meta name="description" content="(actual description)"> should be used in the "head" section to provide a brief description of what is contained on this page. This information is used by many search engines when indexing a site. If you are using HTML Validator's integrated editor, then you can add this from the Tags menu or from the Tag Inserter.
| Comment (Search Engine) | [8] <meta name="keywords" content="(actual keyword list)"> should be used in the "head" section to provide a list of keywords that are relevent to this page. This information is used by many search engines when indexing a site. If you are using HTML Validator's integrated editor, then you can add this from the Tags menu or from the Tag Inserter.
| Comment | An ICRA RDF label was not found in the "head" section of this document. Browsers that are enabled with this rating system may not display documents that have not been labelled. It is recommended that every page include an ICRA label. For more information, please visit http://www.icra.org/.
| Comment | [10] CSE HTML Validator Std/Pro allows you to disable certain messages (like this example message) and groups of related messages by disabling flags. For instance, the [10] at the beginning of this message indicates that you can disable this message by disabling validator flag 10. If you are using HTML Validator's integrated editor, then you can simply use your mouse on this message to open the context menu (usually done by right-clicking the mouse on this message) and select 'Disable Flag 10' to disable this message. For more information about disabling messages, please look at the Configuration section in the documentation.
| Comment | CSE HTML Validator Std/Pro allows you to disable many messages on an individual basis without using flags. For instance, you can disable this message by using HTML Validator's integrated editor to open the context menu for this message (usually done by right-clicking the mouse on this message) and selecting 'Options for this Message->Disable Message' to disable this message. For more information about disabling messages, please look at the Configuration section in the documentation.
| Comment | 2649 bytes; 1.8s@14.4Kbps, 0.9s@28.8, 0.5s@50, 0.4s@64, 0.2s@128, 0.1s@384, 0.1s@512, 0.0s@768, 0.0s@1.5Mbps, 0.0s@10Mbps.
| Comment | 0.02s, 5 errors, 5 warnings, 9 messages, 13 validator comments, 81 lines, 49 tags (44 closed), 0 document comments, 0 entities, 129 programs run.

[ Summary ] [ To the top ]

### http://www.apat.gov.it/pre_mare/home.html

Line:char | Type | Message Description
--- | --- | ---
| Message (Web Content Accessibility Guidelines 1.0) [ACCESSIBILITY] | [73] WCAG 1.0 accessibility checking is disabled.
| Message (Section 508 Accessibility Standards) [ACCESSIBILITY] | [73] Section 508 accessibility checking is disabled.
5:2 | Message (Search Engine) | Tip - A good title is very important for search engine listings. Use many keywords and search terms in the title but make it readable. Don't just stuff keywords in the title. The title should also be something that a user will want to click on when it's listed on a search engine. A good title is also important when a visitor bookmarks a page. Example: <title>Download CSE HTML Validator - Powerful HTML and Link Checking Software for Windows</title>. AI Internet Solutions also recommends that the "title" tag be the first tag inside the "head" section.
5:8 | Message (Search Engine) | [8] This document's title contains only 1 word. It may be inadequate for search engine purposes. A good title is important to your search engine rankings and listings. AI Internet Solutions recommends a title that is 5-15 words in length and that contains a relevant and descriptive phrase. The title should also contain keywords and search terms while remaining readable.
6:61 | Error | The attribute value "text/javascript" for the "type" attribute was not enclosed in single or double quotation marks when it must be. In HTML 4.01, attribute values containing characters other than A-Z, a-z, 0-9, hyphens, periods, underscores, and colons must be quoted. In XHTML/XML, all attribute values must be quoted. Quotes are recommended even if they are not required. <SCRIPT language=JavaScript src="script/main_array.js" type=text/javascript></SCRIPT>
8:56 | Error | The attribute value "text/javascript" for the "type" attribute was not enclosed in single or double quotation marks when it must be. In HTML 4.01, attribute values containing characters other than A-Z, a-z, 0-9, hyphens, periods, underscores, and colons must be quoted. In XHTML/XML, all attribute values must be quoted. Quotes are recommended even if they are not required. <SCRIPT language=JavaScript src="script/mmenu.js" type=text/javascript></SCRIPT>
15:2 | Message (Microsoft Internet Explorer) [CSS] | [600] The "behavior" CSS property is not an official CSS property and is only supported by Internet Explorer 5.0+. Firefox, Netscape, Opera, and most other browsers do not support this property.
32:2 | Warning | [13] HTML 4.01 and XHTML require that the "alt" attribute be used with the "img" element. The "alt" attribute is critical for accessibility. It lets authors specify equivalent text to serve as content when the image cannot be seen or displayed. Use alt="" when alternate text is not appropriate, such as when images are intended to format a page (such as spacer images).
32:2 | Message (Search Engine) | [8] Alt text is often used by search engines. Use this to your advantage (but do it appropriately). Furthermore, alt text is critical for accessibility. For these reasons and others, it is highly recommended that appropriate alt text be specified using the "alt" attribute. This message is displayed only once.
34:32 | Warning | [13] HTML 4.01 and XHTML require that the "alt" attribute be used with the "img" element. The "alt" attribute is critical for accessibility. It lets authors specify equivalent text to serve as content when the image cannot be seen or displayed. Use alt="" when alternate text is not appropriate, such as when images are intended to format a page (such as spacer images).
34:84 | Warning | [13] HTML 4.01 and XHTML require that the "alt" attribute be used with the "img" element. The "alt" attribute is critical for accessibility. It lets authors specify equivalent text to serve as content when the image cannot be seen or displayed. Use alt="" when alternate text is not appropriate, such as when images are intended to format a page (such as spacer images).
37:24 | Warning | [13] HTML 4.01 and XHTML require that the "alt" attribute be used with the "img" element. The "alt" attribute is critical for accessibility. It lets authors specify equivalent text to serve as content when the image cannot be seen or displayed. Use alt="" when alternate text is not appropriate, such as when images are intended to format a page (such as spacer images).
37:33 | Message (General Compatibility) | [5] PNG images are generally well supported in today's browsers EXCEPT for Microsoft Internet Explorer 6.0 and below. IE 6.0 will not render PNG images correctly in certain cases. Because of the popularity of Internet Explorer, you may want to consider using GIF or JPG images instead, especially when using the transparency features of PNG which IE 6.0 does not support well. Fortunately PNG support has been improved in IE 7.0. This message is displayed only once. There may be other PNG images specified in this document.
56:4 | Message | [41] The "div" tag has no attributes. Attributes are normally used with the "div" element to provide functionality.
57:27 | Message (Deprecated) | [9] The "align" attribute is deprecated in HTML 4.01 and XHTML in favor of using style sheets. Instead of align="justify", consider using the CSS "text-align: justify" instead.
57:148 | Message (General) [CSS] | The "style" attribute has been used but a default style sheet language has not been defined (note that HTML Validator would not see this declaration if it is sent as an HTTP header by a web server). HTML 4.01 and XHTML require this for correct documents. However, for all practical purposes, leaving it out is very unlikely to cause problems. If you still want to define a default style sheet language, then include this in the "head" section of your document to specify "text/css" as the default style sheet language: <meta http-equiv="Content-Style-Type" content="text/css">. If you are using HTML Validator's integrated editor, then you can add this from the Tags menu or from the Tag Inserter. Because this issue is very unlikely to cause problems, consider ignoring or disabling this message. See http://www.w3.org/TR/html4/present/styles.html#default-style for more information.
57:148 | Message (CSS Tips) [CSS] | Use the inline "style" attribute sparingly. Using this attribute too often can prevent you from receiving many of the benefits of CSS like easier to maintain and less cluttered documents. Consider using a single CSS style sheet instead of relying too much on the "style" attribute. This message is displayed only once.
58:51 | Error | The "align" attribute is not valid for the "span" element. Some valid attributes for this element are: "class", "dir", "id", "lang", "onclick", "oncontextmenu", "ondblclick", "onfilterchange", "onkeydown", "onkeypress", "onkeyup", "onmousedown", "onmousemove", "onmouseout", "onmouseover", "onmouseup", "style", and "title". <div align="justify"><span class="CorpoTesto" align="justify"> L'immagine di fianco a destra mostra la prima previsione per lo stato del mare nel Mediterraneo, ottenuta tramite il sistema previsionale denominato </span><span><STRONG><A class=Titolo3
58:225 | Message | [41] The "span" tag has no attributes. Attributes are normally used with the "span" element to provide functionality.
| Comment (Accessibility Tips) [ACCESSIBILITY] | This program can help you make your web pages more accessible. An accessible page is one that more individuals can use, such as individuals who are blind or deaf. It can also increase the usefulness of your web page for individuals who browse the web using slower devices like older computers or wireless devices like cell phones and PDAs. An accessible web site makes good business sense (and possibly good legal sense as well). You can enable or disable accessibility checking in the Validator Engine Options.
| Comment | You can disable all the error messages for improperly quoted attribute values by having HTML Validator ignore and disregard the quotation mark requirements for attribute values. This option is in CSE HTML Validator's Validator Engine Options. However, it is recommended that you leave these error messages enabled and that you properly enclose attribute values in quotation marks.
| Comment | You can use the Quick Quote Tool in the editor to quickly enclose all attribute values in quotation marks.
| Comment | Possibly misspelled words (202, 117 unique): accade (1x), accedere (1x), Adriatico (1x), all'interno (1x), all'Italia (1x), alla (1x), alle (1x), animazioni (1x), APAT (1x), bacino (1x), boe (1x), ci (1x), circolazione (1x), componenti (1x), corrispondenza (1x), cui (1x), d'Oro (1x), dalle (1x), dell'altezza (1x), dell'onda (1x), denominato (1x), destra (1x), devono (1x), direzione (1x), diterranean (1x), diversi (1x), efence (1x), esclusivamente (1x), fianco (1x), forniti (1x), grafici (1x), inoltre (1x), insieme (1x), intorno (1x), l'andamento (1x), l'elevazione (1x), L'immagine (1x), l'intero (1x), laguna (1x), meteorologica (1x), meteorologiche (1x), modo (1x), mostra (1x), mostrate (1x), Nazionale (1x), nelle (1x), Ondametrica (1x), ottenere (1x), ottenuta (1x), perational (1x). List limited to first 50 unique words.
| Comment | HTML 4.01 Transitional document detected.
| Comment (Search Engine) | [113] Random Search Engine Tip #12 - Many elements support the "title" attribute that is used for annotation (do not confuse the "title" element with the "title" attribute). Consider annotating tags like "a" with something like title="Read about <keywords>". Annotate with keywords and search terms. Some browsers, like Firefox, will also display the value of the "title" attribute when the user hovers the mouse over content with a "title" attribute.
| Comment (Search Engine) | [8] <meta name="description" content="(actual description)"> should be used in the "head" section to provide a brief description of what is contained on this page. This information is used by many search engines when indexing a site. If you are using HTML Validator's integrated editor, then you can add this from the Tags menu or from the Tag Inserter.
| Comment (Search Engine) | [8] <meta name="keywords" content="(actual keyword list)"> should be used in the "head" section to provide a list of keywords that are relevent to this page. This information is used by many search engines when indexing a site. If you are using HTML Validator's integrated editor, then you can add this from the Tags menu or from the Tag Inserter.
| Comment | An ICRA RDF label was not found in the "head" section of this document. Browsers that are enabled with this rating system may not display documents that have not been labelled. It is recommended that every page include an ICRA label. For more information, please visit http://www.icra.org/.
| Comment | [10] CSE HTML Validator Std/Pro allows you to disable certain messages (like this example message) and groups of related messages by disabling flags. For instance, the [10] at the beginning of this message indicates that you can disable this message by disabling validator flag 10. If you are using HTML Validator's integrated editor, then you can simply use your mouse on this message to open the context menu (usually done by right-clicking the mouse on this message) and select 'Disable Flag 10' to disable this message. For more information about disabling messages, please look at the Configuration section in the documentation.
| Comment | CSE HTML Validator Std/Pro allows you to disable many messages on an individual basis without using flags. For instance, you can disable this message by using HTML Validator's integrated editor to open the context menu for this message (usually done by right-clicking the mouse on this message) and selecting 'Options for this Message->Disable Message' to disable this message. For more information about disabling messages, please look at the Configuration section in the documentation.
| Comment | 4659 bytes; 3.2s@14.4Kbps, 1.6s@28.8, 0.9s@50, 0.7s@64, 0.4s@128, 0.1s@384, 0.1s@512, 0.1s@768, 0.0s@1.5Mbps, 0.0s@10Mbps.
| Comment | 0.03s, 3 errors, 4 warnings, 12 messages, 13 validator comments, 70 lines, 70 tags (61 closed), 0 document comments, 4 entities, 195 programs run.

[ Summary ] [ To the top ]

### http://www.apat.gov.it/pre_mare/link_lib.html

Line:char | Type | Message Description
--- | --- | ---
| Message (Web Content Accessibility Guidelines 1.0) [ACCESSIBILITY] | [73] WCAG 1.0 accessibility checking is disabled.
| Message (Section 508 Accessibility Standards) [ACCESSIBILITY] | [73] Section 508 accessibility checking is disabled.
5:2 | Message (Search Engine) | Tip - A good title is very important for search engine listings. Use many keywords and search terms in the title but make it readable. Don't just stuff keywords in the title. The title should also be something that a user will want to click on when it's listed on a search engine. A good title is also important when a visitor bookmarks a page. Example: <title>Download CSE HTML Validator - Powerful HTML and Link Checking Software for Windows</title>. AI Internet Solutions also recommends that the "title" tag be the first tag inside the "head" section.
5:8 | Message (Search Engine) | [8] This document's title contains only 3 words. It may be inadequate for search engine purposes. A good title is important to your search engine rankings and listings. AI Internet Solutions recommends a title that is 5-15 words in length and that contains a relevant and descriptive phrase. The title should also contain keywords and search terms while remaining readable.
6:64 | Error | The attribute value "text/javascript" for the "type" attribute was not enclosed in single or double quotation marks when it must be. In HTML 4.01, attribute values containing characters other than A-Z, a-z, 0-9, hyphens, periods, underscores, and colons must be quoted. In XHTML/XML, all attribute values must be quoted. Quotes are recommended even if they are not required. <SCRIPT language=JavaScript src="script/main_arraylib.js" type=text/javascript></SCRIPT>
8:56 | Error | The attribute value "text/javascript" for the "type" attribute was not enclosed in single or double quotation marks when it must be. In HTML 4.01, attribute values containing characters other than A-Z, a-z, 0-9, hyphens, periods, underscores, and colons must be quoted. In XHTML/XML, all attribute values must be quoted. Quotes are recommended even if they are not required. <SCRIPT language=JavaScript src="script/mmenu.js" type=text/javascript></SCRIPT>
15:2 | Message (Microsoft Internet Explorer) [CSS] | [600] The "behavior" CSS property is not an official CSS property and is only supported by Internet Explorer 5.0+. Firefox, Netscape, Opera, and most other browsers do not support this property.
32:2 | Warning | [13] HTML 4.01 and XHTML require that the "alt" attribute be used with the "img" element. The "alt" attribute is critical for accessibility. It lets authors specify equivalent text to serve as content when the image cannot be seen or displayed. Use alt="" when alternate text is not appropriate, such as when images are intended to format a page (such as spacer images).
32:2 | Message (Search Engine) | [8] Alt text is often used by search engines. Use this to your advantage (but do it appropriately). Furthermore, alt text is critical for accessibility. For these reasons and others, it is highly recommended that appropriate alt text be specified using the "alt" attribute. This message is displayed only once.
34:32 | Warning | [13] HTML 4.01 and XHTML require that the "alt" attribute be used with the "img" element. The "alt" attribute is critical for accessibility. It lets authors specify equivalent text to serve as content when the image cannot be seen or displayed. Use alt="" when alternate text is not appropriate, such as when images are intended to format a page (such as spacer images).
34:84 | Warning | [13] HTML 4.01 and XHTML require that the "alt" attribute be used with the "img" element. The "alt" attribute is critical for accessibility. It lets authors specify equivalent text to serve as content when the image cannot be seen or displayed. Use alt="" when alternate text is not appropriate, such as when images are intended to format a page (such as spacer images).
37:24 | Warning | [13] HTML 4.01 and XHTML require that the "alt" attribute be used with the "img" element. The "alt" attribute is critical for accessibility. It lets authors specify equivalent text to serve as content when the image cannot be seen or displayed. Use alt="" when alternate text is not appropriate, such as when images are intended to format a page (such as spacer images).
37:33 | Message (General Compatibility) | [5] PNG images are generally well supported in today's browsers EXCEPT for Microsoft Internet Explorer 6.0 and below. IE 6.0 will not render PNG images correctly in certain cases. Because of the popularity of Internet Explorer, you may want to consider using GIF or JPG images instead, especially when using the transparency features of PNG which IE 6.0 does not support well. Fortunately PNG support has been improved in IE 7.0. This message is displayed only once. There may be other PNG images specified in this document.
56:4 | Message | [41] The "div" tag has no attributes. Attributes are normally used with the "div" element to provide functionality.
57:27 | Message (Deprecated) | [9] The "align" attribute is deprecated in HTML 4.01 and XHTML in favor of using style sheets. Instead of align="justify", consider using the CSS "text-align: justify" instead.
61:14 | Warning | [64] An invalid character reference was found in the "href" attribute value. The most likely cause is an unencoded ampersand. This is a common error that should be fixed (even though it still works most of the time). Ampersands should be encoded as "&amp;" even when specifying script variables. Web browsers will convert the "&amp;" entities back to just '&'. Example: href="script.cgi?var1=value&var2=value" should be href="script.cgi?var1=value&amp;var2=value". Note that the ampersand in the URL was encoded as "&amp;". Other causes of invalid references are misspelled entity names and missing semicolons.
61:144 | Error | The end tag for "dt" was found, but "dt" was never opened, has been ended too many times, or cannot have an end tag. <a href="http://www.unep.org/Documents.Multilingual/Default.asp?ArticleID=5338&DocumentID=484&l=en" target="_blank">UNEP - News Center</a></dt>
64:14 | Warning | [64] An invalid character reference was found in the "href" attribute value. The most likely cause is an unencoded ampersand. This is a common error that should be fixed (even though it still works most of the time). Ampersands should be encoded as "&amp;" even when specifying script variables. Web browsers will convert the "&amp;" entities back to just '&'. Example: href="script.cgi?var1=value&var2=value" should be href="script.cgi?var1=value&amp;var2=value". Note that the ampersand in the URL was encoded as "&amp;". Other causes of invalid references are misspelled entity names and missing semicolons.
64:183 | Error | The end tag for "dt" was found, but "dt" was never opened, has been ended too many times, or cannot have an end tag. <a href="http://europa.eu/rapid/pressReleasesAction.do?reference=IP/06/1078&format=HTML&aged=0&language=EN&guiLanguage=en" target="_blank">Unione Europea - Comunicati Stampa</a></dt>
67:158 | Error | The end tag for "dt" was found, but "dt" was never opened, has been ended too many times, or cannot have an end tag. <a href="http://www.zki.caf.dlr.de/applications/2006/lebanon/lebanon_2006_en.html" target="_blank">DLR Center for Satellite Based Crisis Information</a></dt>
70:106 | Error | Found an ampersand '&' but could not find a following semicolon for a properly formed character reference. If you want to actually display an ampersand, such as in "Recreation & Sports", then use the character entity reference "&amp;" as in "Recreation &amp; Sports" (see comment). <a href="http://starlab.es/hosting/MARCOAST/sections/service.html" target="_blank">MarCoast - Marine & Coastal Enviromental Information Services</a></dt>
70:154 | Error | The end tag for "dt" was found, but "dt" was never opened, has been ended too many times, or cannot have an end tag. <a href="http://starlab.es/hosting/MARCOAST/sections/service.html" target="_blank">MarCoast - Marine & Coastal Enviromental Information Services</a></dt>
73:104 | Error | The end tag for "dt" was found, but "dt" was never opened, has been ended too many times, or cannot have an end tag. <a href="http://www.risk-eos.com/actus/pge/index.php?arbo=0" target="_blank">RISK-EOS services</a></dt>
76:117 | Error | Found an ampersand '&' but could not find a following semicolon for a properly formed character reference. If you want to actually display an ampersand, such as in "Recreation & Sports", then use the character entity reference "&amp;" as in "Recreation &amp; Sports" (see comment). <a href="http://www.oceanography.ucy.ac.cy/cycofos/" target="_blank">CYCOFOS - Cyprus Coastal Ocean Forecasting & Observing System</a></dt>
76:140 | Error | The end tag for "dt" was found, but "dt" was never opened, has been ended too many times, or cannot have an end tag. <a href="http://www.oceanography.ucy.ac.cy/cycofos/" target="_blank">CYCOFOS - Cyprus Coastal Ocean Forecasting & Observing System</a></dt>
79:120 | Error | The end tag for "dt" was found, but "dt" was never opened, has been ended too many times, or cannot have an end tag. <a href="http://www.bo.ingv.it/mfstep/" target="_blank">MFSTEP project - Previsioni per la circolazione marina</a></dt>
82:104 | Error | The end tag for "dt" was found, but "dt" was never opened, has been ended too many times, or cannot have an end tag. <a href="http://www.moe.gov.lb/" target="_blank">Republic of Lebanon - Ministry of Environment</a></dt>
85:145 | Error | The end tag for "dt" was found, but "dt" was never opened, has been ended too many times, or cannot have an end tag. <a href="http://www.rempec.org/" target="_blank">REMPEC - Regional marine pollution emergency response centre for the Mediterranean sea</a></dt>
| Comment (Accessibility Tips) [ACCESSIBILITY] | This program can help you make your web pages more accessible. An accessible page is one that more individuals can use, such as individuals who are blind or deaf. It can also increase the usefulness of your web page for individuals who browse the web using slower devices like older computers or wireless devices like cell phones and PDAs. An accessible web site makes good business sense (and possibly good legal sense as well). You can enable or disable accessibility checking in the Validator Engine Options.
| Comment | You can disable all the error messages for improperly quoted attribute values by having HTML Validator ignore and disregard the quotation mark requirements for attribute values. This option is in CSE HTML Validator's Validator Engine Options. However, it is recommended that you leave these error messages enabled and that you properly enclose attribute values in quotation marks.
| Comment | You can use the Quick Quote Tool in the editor to quickly enclose all attribute values in quotation marks.
| Comment | The ampersand '&' is an escape character in HTML. If you want to actually use the ampersand in your HTML document, then the character entity reference '&amp;' should be used instead of the actual ampersand character.
| Comment | Possibly misspelled words (42, 37 unique): alcuni (1x), APAT (1x), centre (1x), circolazione (1x), collegamenti (1x), Comunicati (1x), contenenti (1x), CYCOFOS (1x), dati (1x), di (1x), DLR (1x), Documenti (1x), Enviromental (1x), EOS (1x), Europea (1x), il (1x), interesse (1x), Libano (1x), MarCoast (1x), meteomarine (1x), MFSTEP (1x), questa (1x), REMPEC (1x), riportano (1x), Riservata (1x), sezione (1x), Si (1x), siti (1x), situazione (1x), Stampa (1x), stato (1x), sullo (1x), UNEP (1x), Unione (1x), rete (2x), Informazioni (3x), Previsioni (3x). Complete list.
| Comment | HTML 4.01 Transitional document detected.
| Comment (Search Engine) | [113] Random Search Engine Tip #12 - Many elements support the "title" attribute that is used for annotation (do not confuse the "title" element with the "title" attribute). Consider annotating tags like "a" with something like title="Read about <keywords>". Annotate with keywords and search terms. Some browsers, like Firefox, will also display the value of the "title" attribute when the user hovers the mouse over content with a "title" attribute.
| Comment (Search Engine) | [8] <meta name="description" content="(actual description)"> should be used in the "head" section to provide a brief description of what is contained on this page. This information is used by many search engines when indexing a site. If you are using HTML Validator's integrated editor, then you can add this from the Tags menu or from the Tag Inserter.
| Comment (Search Engine) | [8] <meta name="keywords" content="(actual keyword list)"> should be used in the "head" section to provide a list of keywords that are relevent to this page. This information is used by many search engines when indexing a site. If you are using HTML Validator's integrated editor, then you can add this from the Tags menu or from the Tag Inserter.
| Comment | An ICRA RDF label was not found in the "head" section of this document. Browsers that are enabled with this rating system may not display documents that have not been labelled. It is recommended that every page include an ICRA label. For more information, please visit http://www.icra.org/.
| Comment | [10] CSE HTML Validator Std/Pro allows you to disable certain messages (like this example message) and groups of related messages by disabling flags. For instance, the [10] at the beginning of this message indicates that you can disable this message by disabling validator flag 10. If you are using HTML Validator's integrated editor, then you can simply use your mouse on this message to open the context menu (usually done by right-clicking the mouse on this message) and select 'Disable Flag 10' to disable this message. For more information about disabling messages, please look at the Configuration section in the documentation.
| Comment | CSE HTML Validator Std/Pro allows you to disable many messages on an individual basis without using flags. For instance, you can disable this message by using HTML Validator's integrated editor to open the context menu for this message (usually done by right-clicking the mouse on this message) and selecting 'Options for this Message->Disable Message' to disable this message. For more information about disabling messages, please look at the Configuration section in the documentation.
| Comment | 3978 bytes; 2.8s@14.4Kbps, 1.4s@28.8, 0.8s@50, 0.6s@64, 0.3s@128, 0.1s@384, 0.1s@512, 0.1s@768, 0.0s@1.5Mbps, 0.0s@10Mbps.
| Comment | 0.03s, 13 errors, 6 warnings, 9 messages, 14 validator comments, 100 lines, 61 tags (62 closed), 0 document comments, 0 entities, 186 programs run.

[ Summary ] [ To the top ]

### http://www.apat.gov.it/pre_mare/prev_lib.html

Line:char | Type | Message Description
--- | --- | ---
| Message (Web Content Accessibility Guidelines 1.0) [ACCESSIBILITY] | [73] WCAG 1.0 accessibility checking is disabled.
| Message (Section 508 Accessibility Standards) [ACCESSIBILITY] | [73] Section 508 accessibility checking is disabled.
5:2 | Message (Search Engine) | Tip - A good title is very important for search engine listings. Use many keywords and search terms in the title but make it readable. Don't just stuff keywords in the title. The title should also be something that a user will want to click on when it's listed on a search engine. A good title is also important when a visitor bookmarks a page. Example: <title>Download CSE HTML Validator - Powerful HTML and Link Checking Software for Windows</title>. AI Internet Solutions also recommends that the "title" tag be the first tag inside the "head" section.
5:8 | Message (Search Engine) | [8] This document's title contains only 4 words. It may be inadequate for search engine purposes. A good title is important to your search engine rankings and listings. AI Internet Solutions recommends a title that is 5-15 words in length and that contains a relevant and descriptive phrase. The title should also contain keywords and search terms while remaining readable.
6:64 | Error | The attribute value "text/javascript" for the "type" attribute was not enclosed in single or double quotation marks when it must be. In HTML 4.01, attribute values containing characters other than A-Z, a-z, 0-9, hyphens, periods, underscores, and colons must be quoted. In XHTML/XML, all attribute values must be quoted. Quotes are recommended even if they are not required. <SCRIPT language=JavaScript src="script/main_arraylib.js" type=text/javascript></SCRIPT>
8:56 | Error | The attribute value "text/javascript" for the "type" attribute was not enclosed in single or double quotation marks when it must be. In HTML 4.01, attribute values containing characters other than A-Z, a-z, 0-9, hyphens, periods, underscores, and colons must be quoted. In XHTML/XML, all attribute values must be quoted. Quotes are recommended even if they are not required. <SCRIPT language=JavaScript src="script/mmenu.js" type=text/javascript></SCRIPT>
15:2 | Message (Microsoft Internet Explorer) [CSS] | [600] The "behavior" CSS property is not an official CSS property and is only supported by Internet Explorer 5.0+. Firefox, Netscape, Opera, and most other browsers do not support this property.
32:2 | Warning | [13] HTML 4.01 and XHTML require that the "alt" attribute be used with the "img" element. The "alt" attribute is critical for accessibility. It lets authors specify equivalent text to serve as content when the image cannot be seen or displayed. Use alt="" when alternate text is not appropriate, such as when images are intended to format a page (such as spacer images).
32:2 | Message (Search Engine) | [8] Alt text is often used by search engines. Use this to your advantage (but do it appropriately). Furthermore, alt text is critical for accessibility. For these reasons and others, it is highly recommended that appropriate alt text be specified using the "alt" attribute. This message is displayed only once.
34:32 | Warning | [13] HTML 4.01 and XHTML require that the "alt" attribute be used with the "img" element. The "alt" attribute is critical for accessibility. It lets authors specify equivalent text to serve as content when the image cannot be seen or displayed. Use alt="" when alternate text is not appropriate, such as when images are intended to format a page (such as spacer images).
34:84 | Warning | [13] HTML 4.01 and XHTML require that the "alt" attribute be used with the "img" element. The "alt" attribute is critical for accessibility. It lets authors specify equivalent text to serve as content when the image cannot be seen or displayed. Use alt="" when alternate text is not appropriate, such as when images are intended to format a page (such as spacer images).
37:24 | Warning | [13] HTML 4.01 and XHTML require that the "alt" attribute be used with the "img" element. The "alt" attribute is critical for accessibility. It lets authors specify equivalent text to serve as content when the image cannot be seen or displayed. Use alt="" when alternate text is not appropriate, such as when images are intended to format a page (such as spacer images).
37:33 | Message (General Compatibility) | [5] PNG images are generally well supported in today's browsers EXCEPT for Microsoft Internet Explorer 6.0 and below. IE 6.0 will not render PNG images correctly in certain cases. Because of the popularity of Internet Explorer, you may want to consider using GIF or JPG images instead, especially when using the transparency features of PNG which IE 6.0 does not support well. Fortunately PNG support has been improved in IE 7.0. This message is displayed only once. There may be other PNG images specified in this document.
56:4 | Message | [41] The "div" tag has no attributes. Attributes are normally used with the "div" element to provide functionality.
57:27 | Message (Deprecated) | [9] The "align" attribute is deprecated in HTML 4.01 and XHTML in favor of using style sheets. Instead of align="justify", consider using the CSS "text-align: justify" instead.
62:6 | Message (Good Style) | The "strong" element should be used instead of the "b" element when you want to denote strong emphasis. The "b" element should only be used when you want bold typeface but do not want strong emphasis. Many web authors use the "b" element when the "strong" element would be more appropriate.
64:29 | Error | The "align" attribute is not valid for the "UL" element. Some valid attributes for this element are: "class", "compact", "dir", "id", "lang", "onclick", "oncontextmenu", "ondblclick", "onfilterchange", "onkeydown", "onkeypress", "onkeyup", "onmousedown", "onmousemove", "onmouseout", "onmouseover", "onmouseup", "style", "title", and "type". <UL class="CorpoTesto" align="justify">
78:47 | Warning | align="center" is not valid for the "img" element in HTML 4.01 and XHTML even though it may work in most browsers. Instead, consider using align="middle" in order to comply with the HTML 4.01 and XHTML specifications.
80:6 | Message (Good Style) | The "em" element (for emphasized text) or the "cite" element (for citations) may be more appropriate than the "i" element. Use the "i" element only if text is in italics by convention. Many web authors use the "i" element when the "em" element would be more appropriate.
82:59 | Warning | align="center" is not valid for the "img" element in HTML 4.01 and XHTML even though it may work in most browsers. Instead, consider using align="middle" in order to comply with the HTML 4.01 and XHTML specifications.
87:111 | Message (Good Style) | It is usually best not to specify the actual index document name "index.html". Consider using href="http://www.apat.gov.it/pre_meteo/" instead. Visit http://webtips.dan.info/subdir.html#LinkHome for more information about why this is recommended.
94:29 | Error | The "align" attribute is not valid for the "UL" element. Some valid attributes for this element are: "class", "compact", "dir", "id", "lang", "onclick", "oncontextmenu", "ondblclick", "onfilterchange", "onkeydown", "onkeypress", "onkeyup", "onmousedown", "onmousemove", "onmouseout", "onmouseover", "onmouseup", "style", "title", and "type". <UL class="CorpoTesto" align="justify">
| Comment (Accessibility Tips) [ACCESSIBILITY] | This program can help you make your web pages more accessible. An accessible page is one that more individuals can use, such as individuals who are blind or deaf. It can also increase the usefulness of your web page for individuals who browse the web using slower devices like older computers or wireless devices like cell phones and PDAs. An accessible web site makes good business sense (and possibly good legal sense as well). You can enable or disable accessibility checking in the Validator Engine Options.
| Comment | You can disable all the error messages for improperly quoted attribute values by having HTML Validator ignore and disregard the quotation mark requirements for attribute values. This option is in CSE HTML Validator's Validator Engine Options. However, it is recommended that you leave these error messages enabled and that you properly enclose attribute values in quotation marks.
| Comment | You can use the Quick Quote Tool in the editor to quickly enclose all attribute values in quotation marks.
| Comment | Possibly misspelled words (305, 117 unique): accedere (1x), all'area (1x), alla (1x), alle (1x), altezza (1x), Animazione (1x), approfondita (1x), catena (1x), centro (1x), CINECA (1x), corrente (1x), cui (1x), dal (1x), dell'altezza (1x), dell'onda (1x), delle (1x), dello (1x), descrizione (1x), direzione (1x), disponibili (1x), documentazione (1x), Documenti (1x), Entrambi (1x), figura (1x), Informazioni (1x), integrati (1x), integrato (1x), localizzati (1x), mentre (1x), meteo (1x), modelli (1x), operativa (1x), permette (1x), presso (1x), previsionale (1x), prodotto (1x), profondit (1x), QBOLAM (1x), Queste (1x), realizzati (1x), rete (1x), rimanda (1x), Riservata (1x), rispettivamente (1x), selezionati (1x), situazione (1x), sottostante (1x), sovrastante (1x), su (1x), sullo (1x). List limited to first 50 unique words.
| Comment | HTML 4.01 Transitional document detected.
| Comment (Search Engine) | [113] Random Search Engine Tip #12 - Many elements support the "title" attribute that is used for annotation (do not confuse the "title" element with the "title" attribute). Consider annotating tags like "a" with something like title="Read about <keywords>". Annotate with keywords and search terms. Some browsers, like Firefox, will also display the value of the "title" attribute when the user hovers the mouse over content with a "title" attribute.
| Comment (Search Engine) | [8] <meta name="description" content="(actual description)"> should be used in the "head" section to provide a brief description of what is contained on this page. This information is used by many search engines when indexing a site. If you are using HTML Validator's integrated editor, then you can add this from the Tags menu or from the Tag Inserter.
| Comment (Search Engine) | [8] <meta name="keywords" content="(actual keyword list)"> should be used in the "head" section to provide a list of keywords that are relevent to this page. This information is used by many search engines when indexing a site. If you are using HTML Validator's integrated editor, then you can add this from the Tags menu or from the Tag Inserter.
| Comment | An ICRA RDF label was not found in the "head" section of this document. Browsers that are enabled with this rating system may not display documents that have not been labelled. It is recommended that every page include an ICRA label. For more information, please visit http://www.icra.org/.
| Comment | [10] CSE HTML Validator Std/Pro allows you to disable certain messages (like this example message) and groups of related messages by disabling flags. For instance, the [10] at the beginning of this message indicates that you can disable this message by disabling validator flag 10. If you are using HTML Validator's integrated editor, then you can simply use your mouse on this message to open the context menu (usually done by right-clicking the mouse on this message) and select 'Disable Flag 10' to disable this message. For more information about disabling messages, please look at the Configuration section in the documentation.
| Comment | CSE HTML Validator Std/Pro allows you to disable many messages on an individual basis without using flags. For instance, you can disable this message by using HTML Validator's integrated editor to open the context menu for this message (usually done by right-clicking the mouse on this message) and selecting 'Options for this Message->Disable Message' to disable this message. For more information about disabling messages, please look at the Configuration section in the documentation.
| Comment | 6363 bytes; 4.4s@14.4Kbps, 2.2s@28.8, 1.3s@50, 1.0s@64, 0.5s@128, 0.2s@384, 0.1s@512, 0.1s@768, 0.0s@1.5Mbps, 0.0s@10Mbps.
| Comment | 0.03s, 4 errors, 6 warnings, 12 messages, 13 validator comments, 122 lines, 78 tags (54 closed), 0 document comments, 4 entities, 228 programs run.

[ Summary ] [ To the top ]

### http://www.apat.gov.it/pre_mare/situazione_lib.html

Line:char | Type | Message Description
--- | --- | ---
| Message (Web Content Accessibility Guidelines 1.0) [ACCESSIBILITY] | [73] WCAG 1.0 accessibility checking is disabled.
| Message (Section 508 Accessibility Standards) [ACCESSIBILITY] | [73] Section 508 accessibility checking is disabled.
5:2 | Message (Search Engine) | Tip - A good title is very important for search engine listings. Use many keywords and search terms in the title but make it readable. Don't just stuff keywords in the title. The title should also be something that a user will want to click on when it's listed on a search engine. A good title is also important when a visitor bookmarks a page. Example: <title>Download CSE HTML Validator - Powerful HTML and Link Checking Software for Windows</title>. AI Internet Solutions also recommends that the "title" tag be the first tag inside the "head" section.
5:8 | Message (Search Engine) | [8] This document's title contains only 2 words. It may be inadequate for search engine purposes. A good title is important to your search engine rankings and listings. AI Internet Solutions recommends a title that is 5-15 words in length and that contains a relevant and descriptive phrase. The title should also contain keywords and search terms while remaining readable.
6:64 | Error | The attribute value "text/javascript" for the "type" attribute was not enclosed in single or double quotation marks when it must be. In HTML 4.01, attribute values containing characters other than A-Z, a-z, 0-9, hyphens, periods, underscores, and colons must be quoted. In XHTML/XML, all attribute values must be quoted. Quotes are recommended even if they are not required. <SCRIPT language=JavaScript src="script/main_arraylib.js" type=text/javascript></SCRIPT>
8:56 | Error | The attribute value "text/javascript" for the "type" attribute was not enclosed in single or double quotation marks when it must be. In HTML 4.01, attribute values containing characters other than A-Z, a-z, 0-9, hyphens, periods, underscores, and colons must be quoted. In XHTML/XML, all attribute values must be quoted. Quotes are recommended even if they are not required. <SCRIPT language=JavaScript src="script/mmenu.js" type=text/javascript></SCRIPT>
15:2 | Message (Microsoft Internet Explorer) [CSS] | [600] The "behavior" CSS property is not an official CSS property and is only supported by Internet Explorer 5.0+. Firefox, Netscape, Opera, and most other browsers do not support this property.
32:2 | Warning | [13] HTML 4.01 and XHTML require that the "alt" attribute be used with the "img" element. The "alt" attribute is critical for accessibility. It lets authors specify equivalent text to serve as content when the image cannot be seen or displayed. Use alt="" when alternate text is not appropriate, such as when images are intended to format a page (such as spacer images).
32:2 | Message (Search Engine) | [8] Alt text is often used by search engines. Use this to your advantage (but do it appropriately). Furthermore, alt text is critical for accessibility. For these reasons and others, it is highly recommended that appropriate alt text be specified using the "alt" attribute. This message is displayed only once.
34:32 | Warning | [13] HTML 4.01 and XHTML require that the "alt" attribute be used with the "img" element. The "alt" attribute is critical for accessibility. It lets authors specify equivalent text to serve as content when the image cannot be seen or displayed. Use alt="" when alternate text is not appropriate, such as when images are intended to format a page (such as spacer images).
34:84 | Warning | [13] HTML 4.01 and XHTML require that the "alt" attribute be used with the "img" element. The "alt" attribute is critical for accessibility. It lets authors specify equivalent text to serve as content when the image cannot be seen or displayed. Use alt="" when alternate text is not appropriate, such as when images are intended to format a page (such as spacer images).
37:24 | Warning | [13] HTML 4.01 and XHTML require that the "alt" attribute be used with the "img" element. The "alt" attribute is critical for accessibility. It lets authors specify equivalent text to serve as content when the image cannot be seen or displayed. Use alt="" when alternate text is not appropriate, such as when images are intended to format a page (such as spacer images).
37:33 | Message (General Compatibility) | [5] PNG images are generally well supported in today's browsers EXCEPT for Microsoft Internet Explorer 6.0 and below. IE 6.0 will not render PNG images correctly in certain cases. Because of the popularity of Internet Explorer, you may want to consider using GIF or JPG images instead, especially when using the transparency features of PNG which IE 6.0 does not support well. Fortunately PNG support has been improved in IE 7.0. This message is displayed only once. There may be other PNG images specified in this document.
56:4 | Message | [41] The "div" tag has no attributes. Attributes are normally used with the "div" element to provide functionality.
57:27 | Message (Deprecated) | [9] The "align" attribute is deprecated in HTML 4.01 and XHTML in favor of using style sheets. Instead of align="justify", consider using the CSS "text-align: justify" instead.
61:61 | Warning | align="center" is not valid for the "img" element in HTML 4.01 and XHTML even though it may work in most browsers. Instead, consider using align="middle" in order to comply with the HTML 4.01 and XHTML specifications.
61:6 | Message (Good Style) | [7] The "height" and "width" attributes should be used with the "img" element. Using these attributes generally result in faster and smoother (less jumpy) rendering. Using them is also considered to be good style.
69:85 | Warning | align="center" is not valid for the "img" element in HTML 4.01 and XHTML even though it may work in most browsers. Instead, consider using align="middle" in order to comply with the HTML 4.01 and XHTML specifications.
69:6 | Message (Good Style) | [7] The "height" and "width" attributes should be used with the "img" element. Using these attributes generally result in faster and smoother (less jumpy) rendering. Using them is also considered to be good style.
71:123 | Error | Found an ampersand '&' but could not find a following semicolon for a properly formed character reference. If you want to actually display an ampersand, such as in "Recreation & Sports", then use the character entity reference "&amp;" as in "Recreation &amp; Sports" (see comment). Il <a href="http://www.oceanography.ucy.ac.cy/cycofos/" target="_blank">CYCOFOS</a> (Cyprus Coastal Ocean Forecasting & Observing System) sulla base
| Comment (Accessibility Tips) [ACCESSIBILITY] | This program can help you make your web pages more accessible. An accessible page is one that more individuals can use, such as individuals who are blind or deaf. It can also increase the usefulness of your web page for individuals who browse the web using slower devices like older computers or wireless devices like cell phones and PDAs. An accessible web site makes good business sense (and possibly good legal sense as well). You can enable or disable accessibility checking in the Validator Engine Options.
| Comment | You can disable all the error messages for improperly quoted attribute values by having HTML Validator ignore and disregard the quotation mark requirements for attribute values. This option is in CSE HTML Validator's Validator Engine Options. However, it is recommended that you leave these error messages enabled and that you properly enclose attribute values in quotation marks.
| Comment | You can use the Quick Quote Tool in the editor to quickly enclose all attribute values in quotation marks.
| Comment | The ampersand '&' is an escape character in HTML. If you want to actually use the ampersand in your HTML document, then the character entity reference '&amp;' should be used instead of the actual ampersand character.
| Comment | Possibly misspelled words (131, 84 unique): acque (1x), aereo (1x), agosto (1x), anche (1x), ancora (1x), APAT (1x), attacco (1x), avvenne (1x), Byblos (1x), che (1x), Chekka (1x), costiere (1x), CYCOFOS (1x), dall'evento (1x), dalla (1x), dell'analisi (1x), dell'applicazione (1x), dell'incidente (1x), depositato (1x), DLR (1x), Documenti (1x), dopo (1x), elettrica (1x), evaporato (1x), evento (1x), figura (1x), gli (1x), hanno (1x), iniziale (1x), l'incidente (1x), le (1x), libanesi (1x), lungo (1x), materiale (1x), MEDSLIK (1x), mese (1x), meteomarine (1x), modello (1x), Nel (1x), nelle (1x), percentuale (1x), presso (1x), produzione (1x), quantit (1x), raccolte (1x), rete (1x), rimanesse (1x), riportano (1x), Riservata (1x), satellitari (1x). List limited to first 50 unique words.
| Comment | HTML 4.01 Transitional document detected.
| Comment (Search Engine) | [113] Random Search Engine Tip #12 - Many elements support the "title" attribute that is used for annotation (do not confuse the "title" element with the "title" attribute). Consider annotating tags like "a" with something like title="Read about <keywords>". Annotate with keywords and search terms. Some browsers, like Firefox, will also display the value of the "title" attribute when the user hovers the mouse over content with a "title" attribute.
| Comment (Search Engine) | [8] <meta name="description" content="(actual description)"> should be used in the "head" section to provide a brief description of what is contained on this page. This information is used by many search engines when indexing a site. If you are using HTML Validator's integrated editor, then you can add this from the Tags menu or from the Tag Inserter.
| Comment (Search Engine) | [8] <meta name="keywords" content="(actual keyword list)"> should be used in the "head" section to provide a list of keywords that are relevent to this page. This information is used by many search engines when indexing a site. If you are using HTML Validator's integrated editor, then you can add this from the Tags menu or from the Tag Inserter.
| Comment | An ICRA RDF label was not found in the "head" section of this document. Browsers that are enabled with this rating system may not display documents that have not been labelled. It is recommended that every page include an ICRA label. For more information, please visit http://www.icra.org/.
| Comment | [10] CSE HTML Validator Std/Pro allows you to disable certain messages (like this example message) and groups of related messages by disabling flags. For instance, the [10] at the beginning of this message indicates that you can disable this message by disabling validator flag 10. If you are using HTML Validator's integrated editor, then you can simply use your mouse on this message to open the context menu (usually done by right-clicking the mouse on this message) and select 'Disable Flag 10' to disable this message. For more information about disabling messages, please look at the Configuration section in the documentation.
| Comment | CSE HTML Validator Std/Pro allows you to disable many messages on an individual basis without using flags. For instance, you can disable this message by using HTML Validator's integrated editor to open the context menu for this message (usually done by right-clicking the mouse on this message) and selecting 'Options for this Message->Disable Message' to disable this message. For more information about disabling messages, please look at the Configuration section in the documentation.
| Comment | 3724 bytes; 2.6s@14.4Kbps, 1.3s@28.8, 0.7s@50, 0.6s@64, 0.3s@128, 0.1s@384, 0.1s@512, 0.0s@768, 0.0s@1.5Mbps, 0.0s@10Mbps.
| Comment | 0.02s, 3 errors, 6 warnings, 11 messages, 14 validator comments, 90 lines, 49 tags (39 closed), 0 document comments, 2 entities, 137 programs run.

[ Summary ] [ To the top ]

### http://www.apat.gov.it/pre_meteo/img/stile.css

Line:char | Type | Message Description
--- | --- | ---
| Message (Web Content Accessibility Guidelines 1.0) [ACCESSIBILITY] | [73] WCAG 1.0 accessibility checking is disabled.
| Message (Section 508 Accessibility Standards) [ACCESSIBILITY] | [73] Section 508 accessibility checking is disabled.
15:18 | Message (General Compatibility) [CSS] | The "!important" phrase is valid in CSS1 and CSS2 and is supported by Internet Explorer 4.0+, Netscape 6.0+, and Opera 3.5+ but not by Internet Explorer 3.0- and Netscape 4.x-.
18:2 | Message (General Compatibility) [CSS] | [603] The aural CSS properties are official CSS2 (but not CSS1) properties but are not currently supported by Internet Explorer, Netscape, and Opera. This includes Internet Explorer 6.0-, Netscape 6.2-, and Opera 6.0-. Examples of aural CSS properties are "cue", "pause", "pitch", "speak", and "volume" (there are more).
19:2 | Warning (General) [CSS] | The "voice-family" property has already been defined in this style rule. A property should only be defined once per rule.
27:2 | Warning (General) [CSS] | The "voice-family" property has already been defined in this style rule. A property should only be defined once per rule.
124:2 | Message (General Compatibility) [CSS] | [603] The "min-width" and "max-width" CSS properties are official CSS2 (but not CSS1) properties and are supported by Netscape 6.0+ and Opera 4.0+ but not by Internet Explorer 6.0- and Netscape 4.x-.
202:2 | Message (General Compatibility) [CSS] | [603] The "min-height" CSS property is an official CSS2 (but not CSS1) property and is supported by Internet Explorer 6.0+, Netscape 6.0+, and Opera 4.0+ but not by Internet Explorer 5.5- and Netscape 4.x-.
234:2 | Message (Good Style) [CSS] | When a background color is defined, it is recommended that a foreground color also be defined (by using the "color" property). This helps to avoid conflict with user-defined style sheets and to improve accessibility.
260:15 | Message (General) [CSS] | The following typeface may not be available on a significant number of browsers: "Tahoma". Also, check the spelling of the typeface name.
264:2 | Message (Good Style) [CSS] | When a foreground color is defined, it is recommended that a background color also be defined (by using the "background" or "background-color" property). This helps to avoid conflict with user-defined style sheets and to improve accessibility.
280:2 | Message (Good Style) [CSS] | When a foreground color is defined, it is recommended that a background color also be defined (by using the "background" or "background-color" property). This helps to avoid conflict with user-defined style sheets and to improve accessibility.
294:2 | Message (Good Style) [CSS] | When a foreground color is defined, it is recommended that a background color also be defined (by using the "background" or "background-color" property). This helps to avoid conflict with user-defined style sheets and to improve accessibility.
322:2 | Message (Good Style) [CSS] | When a foreground color is defined, it is recommended that a background color also be defined (by using the "background" or "background-color" property). This helps to avoid conflict with user-defined style sheets and to improve accessibility.
324:2 | Warning (General) [CSS] | The "voice-family" property has already been defined in this style rule. A property should only be defined once per rule.
328:2 | Message (Good Style) [CSS] | When a foreground color is defined, it is recommended that a background color also be defined (by using the "background" or "background-color" property). This helps to avoid conflict with user-defined style sheets and to improve accessibility. This is the last time that this message will be generated. There may be more places where a foreground color was defined without a background color.
370:2 | Message (Good Style) [CSS] | When a background color is defined, it is recommended that a foreground color also be defined (by using the "color" property). This helps to avoid conflict with user-defined style sheets and to improve accessibility.
392:15 | Message (General) [CSS] | The following typeface may not be available on a significant number of browsers: "Trebuchet MS". Also, check the spelling of the typeface name.
533:17 | Error (Parsing) [CSS] | Found an extra semicolon. This semicolon should be removed. font-size: 1px;;
540:17 | Error (Parsing) [CSS] | Found an extra semicolon. This semicolon should be removed. font-size: 1px;;
547:17 | Error (Parsing) [CSS] | Found an extra semicolon. This semicolon should be removed. font-size: 1px;;
553:17 | Error (Parsing) [CSS] | Found an extra semicolon. This semicolon should be removed. font-size: 1px;;
592:2 | Warning (General) [CSS] | The "voice-family" property has already been defined in this style rule. A property should only be defined once per rule.
599:2 | Message (Good Style) [CSS] | When a background color is defined, it is recommended that a foreground color also be defined (by using the "color" property). This helps to avoid conflict with user-defined style sheets and to improve accessibility.
604:2 | Message (Good Style) [CSS] | When a background color is defined, it is recommended that a foreground color also be defined (by using the "color" property). This helps to avoid conflict with user-defined style sheets and to improve accessibility.
615:17 | Error (Parsing) [CSS] | Found an extra semicolon. This semicolon should be removed. font-size: 1px;;
622:17 | Error (Parsing) [CSS] | Found an extra semicolon. This semicolon should be removed. font-size: 1px;;
629:17 | Error (Parsing) [CSS] | Found an extra semicolon. This semicolon should be removed. font-size: 1px;;
637:17 | Error (Parsing) [CSS] | Found an extra semicolon. This semicolon should be removed. font-size: 1px;;
648:2 | Message (Good Style) [CSS] | When a background color is defined, it is recommended that a foreground color also be defined (by using the "color" property). This helps to avoid conflict with user-defined style sheets and to improve accessibility. This is the last time that this message will be generated. There may be more places where a background color was defined without a foreground color.
734:15 | Warning (General) [CSS] | It is recommended that a generic font family name be specified as the last font family name. If the preceding font family names are not available then the browser should fall back to the generic font family name. The generic font family names are serif, sans-serif, cursive, fantasy, and monospace. Be sure not to use quotes around generic font family names.
749:15 | Warning (General) [CSS] | It is recommended that a generic font family name be specified as the last font family name. If the preceding font family names are not available then the browser should fall back to the generic font family name. The generic font family names are serif, sans-serif, cursive, fantasy, and monospace. Be sure not to use quotes around generic font family names.
763:15 | Warning (General) [CSS] | It is recommended that a generic font family name be specified as the last font family name. If the preceding font family names are not available then the browser should fall back to the generic font family name. The generic font family names are serif, sans-serif, cursive, fantasy, and monospace. Be sure not to use quotes around generic font family names.
778:15 | Warning (General) [CSS] | It is recommended that a generic font family name be specified as the last font family name. If the preceding font family names are not available then the browser should fall back to the generic font family name. The generic font family names are serif, sans-serif, cursive, fantasy, and monospace. Be sure not to use quotes around generic font family names.
784:15 | Warning (General) [CSS] | It is recommended that a generic font family name be specified as the last font family name. If the preceding font family names are not available then the browser should fall back to the generic font family name. The generic font family names are serif, sans-serif, cursive, fantasy, and monospace. Be sure not to use quotes around generic font family names.
| Comment (Accessibility Tips) [ACCESSIBILITY] | This program can help you make your web pages more accessible. An accessible page is one that more individuals can use, such as individuals who are blind or deaf. It can also increase the usefulness of your web page for individuals who browse the web using slower devices like older computers or wireless devices like cell phones and PDAs. An accessible web site makes good business sense (and possibly good legal sense as well). You can enable or disable accessibility checking in the Validator Engine Options.
| Comment | CSS document detected.

[ Summary ] [ To the top ]

### http://www.apat.gov.it/pre_meteo/nondisp.html

Line:char | Type | Message Description
--- | --- | ---
| Message (Web Content Accessibility Guidelines 1.0) [ACCESSIBILITY] | [73] WCAG 1.0 accessibility checking is disabled.
| Message (Section 508 Accessibility Standards) [ACCESSIBILITY] | [73] Section 508 accessibility checking is disabled.
4:2 | Message (Search Engine) | Tip - A good title is very important for search engine listings. Use many keywords and search terms in the title but make it readable. Don't just stuff keywords in the title. The title should also be something that a user will want to click on when it's listed on a search engine. A good title is also important when a visitor bookmarks a page. Example: <title>Download CSE HTML Validator - Powerful HTML and Link Checking Software for Windows</title>. AI Internet Solutions also recommends that the "title" tag be the first tag inside the "head" section.
4:8 | Message (Search Engine) | [8] This document's title contains only 3 words. It may be inadequate for search engine purposes. A good title is important to your search engine rankings and listings. AI Internet Solutions recommends a title that is 5-15 words in length and that contains a relevant and descriptive phrase. The title should also contain keywords and search terms while remaining readable.
14:2 | Message (Microsoft Internet Explorer) [CSS] | [600] The "behavior" CSS property is not an official CSS property and is only supported by Internet Explorer 5.0+. Firefox, Netscape, Opera, and most other browsers do not support this property.
31:16 | Message (General Compatibility) | [5] PNG images are generally well supported in today's browsers EXCEPT for Microsoft Internet Explorer 6.0 and below. IE 6.0 will not render PNG images correctly in certain cases. Because of the popularity of Internet Explorer, you may want to consider using GIF or JPG images instead, especially when using the transparency features of PNG which IE 6.0 does not support well. Fortunately PNG support has been improved in IE 7.0. This message is displayed only once. There may be other PNG images specified in this document.
80:67 | Error | The "summary" attribute has an invalid attribute value "". Try using one of the following values: an alphanumeric string or a string. <table border="0" cellspacing="0" cellpadding="0" summary="" class="TabellaCentrale">
80:10 | Message (Good Style) | Consider using the "width" attribute with the "table" element. This is considered to be good style and can cause the table and page to render faster. Note that this is not a deprecated attribute in HTML 4.01 nor XHTML 1.0. It's also a valid XHTML 1.1 attribute.
80:10 | Message (General Compatibility) | [5] The "table" element is an official HTML 4.01 and XHTML element but may not be supported by older or nongraphical browsers. Furthermore, nongraphical browsers that do support tables may not support them the way that you expect. However, most browsers used today should support this element.
97:30 | Message (Good Style) | It is usually best not to specify the actual index document name "index.html". Consider using href="qbolam_for/qbolam_html/meteograms/" instead. Visit http://webtips.dan.info/subdir.html#LinkHome for more information about why this is recommended.
98:30 | Warning | [75] The "href" attribute specifies an internal link that may not be wanted. An internal link name should usually follow the # character, but it doesn't in this case. However, if the top of the current document is being referenced, then this message should be ignored because an internal link name is not needed.
99:18 | Warning | [75] The "href" attribute specifies an internal link that may not be wanted. An internal link name should usually follow the # character, but it doesn't in this case. However, if the top of the current document is being referenced, then this message should be ignored because an internal link name is not needed.
100:18 | Message (Good Style) | It is usually best not to specify the actual index document name "index.html". Consider using href="http://www.apat.gov.it/pre_meteo/siccitas/" instead. Visit http://webtips.dan.info/subdir.html#LinkHome for more information about why this is recommended.
101:61 | Error (HTML 4.0 Compatibility) | [81] The "target" attribute may not be used with the "a" element in a strict HTML 4.0/4.01 document. <dt><a href="http://www.apat.gov.it/pre_mare/home.html" target="_blank">Previsioni sullo stato del mare</a></dt>
148:10 | Message | The "p" element is empty. Consider removing this element if it is not needed. If you are wanting to add additional margin space between elements, consider using the "margin" CSS properties like "margin", "margin-top", and "margin-bottom" instead. Paragraph elements should be used to denote paragraphs and not for presentational formatting.
| Comment (Accessibility Tips) [ACCESSIBILITY] | This program can help you make your web pages more accessible. An accessible page is one that more individuals can use, such as individuals who are blind or deaf. It can also increase the usefulness of your web page for individuals who browse the web using slower devices like older computers or wireless devices like cell phones and PDAs. An accessible web site makes good business sense (and possibly good legal sense as well). You can enable or disable accessibility checking in the Validator Engine Options.
| Comment | You have one or more internal links linking to an ID link destination. Browser support for this is currently very poor. Consider using something like <a name="MenuSinistro"> ... </a> or <a name="MenuSinistro" id="MenuSinistro"> ... </a> instead.
| Comment | Possibly misspelled words (280, 120 unique): all'interno (1x), alle (1x), allestimento (1x), Benvenuto (1x), Bollettino (1x), c'è (1x), canale (1x), cioè (1x), classi (1x), colonne (1x), commento (1x), completa (1x), Contatti (1x), contengono (1x), contestuali (1x), costruita (1x), costruito (1x), cui (1x), dell'immagine (1x), dell'utente (1x), Denominazione (1x), diventa (1x), dovrà (1x), ECMWF (1x), evitano (1x), ferma (1x), finestre (1x), frutiger (1x), genitore (1x), immagine (1x), inferiori (1x), inserite (1x), Linguetta (1x), liste (1x), livelli (1x), livello (1x), loro (1x), Mappa (1x), Meteogrammi (1x), nell'alt (1x), Nella (1x), Percorso (1x), possibile (1x), primi (1x), QBOLAM (1x), quando (1x), Ricerca (1x), riporta (1x), Salta (1x), sfondo (1x). List limited to first 50 unique words.
| Comment | HTML 4.01 Strict document detected.
| Comment (Search Engine) | [113] Random Search Engine Tip #12 - Many elements support the "title" attribute that is used for annotation (do not confuse the "title" element with the "title" attribute). Consider annotating tags like "a" with something like title="Read about <keywords>". Annotate with keywords and search terms. Some browsers, like Firefox, will also display the value of the "title" attribute when the user hovers the mouse over content with a "title" attribute.
| Comment (Search Engine) | [8] <meta name="description" content="(actual description)"> should be used in the "head" section to provide a brief description of what is contained on this page. This information is used by many search engines when indexing a site. If you are using HTML Validator's integrated editor, then you can add this from the Tags menu or from the Tag Inserter.
| Comment (Search Engine) | [8] <meta name="keywords" content="(actual keyword list)"> should be used in the "head" section to provide a list of keywords that are relevent to this page. This information is used by many search engines when indexing a site. If you are using HTML Validator's integrated editor, then you can add this from the Tags menu or from the Tag Inserter.
| Comment | An ICRA RDF label was not found in the "head" section of this document. Browsers that are enabled with this rating system may not display documents that have not been labelled. It is recommended that every page include an ICRA label. For more information, please visit http://www.icra.org/.
| Comment | [10] CSE HTML Validator Std/Pro allows you to disable certain messages (like this example message) and groups of related messages by disabling flags. For instance, the [10] at the beginning of this message indicates that you can disable this message by disabling validator flag 10. If you are using HTML Validator's integrated editor, then you can simply use your mouse on this message to open the context menu (usually done by right-clicking the mouse on this message) and select 'Disable Flag 10' to disable this message. For more information about disabling messages, please look at the Configuration section in the documentation.
| Comment | CSE HTML Validator Std/Pro allows you to disable many messages on an individual basis without using flags. For instance, you can disable this message by using HTML Validator's integrated editor to open the context menu for this message (usually done by right-clicking the mouse on this message) and selecting 'Options for this Message->Disable Message' to disable this message. For more information about disabling messages, please look at the Configuration section in the documentation.
| Comment | 6599 bytes; 4.6s@14.4Kbps, 2.3s@28.8, 1.3s@50, 1.0s@64, 0.5s@128, 0.2s@384, 0.1s@512, 0.1s@768, 0.0s@1.5Mbps, 0.0s@10Mbps.
| Comment | 0.03s, 2 errors, 2 warnings, 11 messages, 12 validator comments, 158 lines, 70 tags (62 closed), 40 document comments, 6 entities, 213 programs run.

[ Summary ] [ To the top ]

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