2012年11月5日 星期一

Lab 22 Firefox Accessibility Extension


Accessibility Extension

List of Accessibility Issues Summary

FAE RuleViolationsMessageClass
Fail The page should contain at least one and no more than two h1 elements. Headings 
Fail Heading elements (h1..h6) should be used for structuring information on the page. Headings 
Check Heading content should be concise (usually 65 or fewer characters in length). Headings 
Check Most web pages should contain at least one navigation bar. Menu and Navigation Bars 
Fail Each page must have a lang attribute on its html element whose value or initial subtag is a valid two-character language code. Language Changes 
Warn Hidden or empty frames should not be used. Frames 
Fail Each img element should have alt text. Images 
Fail Each focusable element with an onmouseover attribute should also have an onfocus attribute, and their associated event handlers should trigger the same or similar actions. Events 
Fail Each focusable element with an onmouseout attribute should also have an onblur attribute, and their associated event handlers should trigger the same or similar actions. Events 
Fail A DOCTYPE declaration was not found. W3C Specifications 
Warn One level of nesting. Use CSS properties instead of tables and nested tables to visually layout blocks of related content for graphical renderings. Tables 
Warn Avoid using text links that are shorter than four 4 characters in length. Links 
Warn Ensure that links that point to the same HREF use the same link text. Links 
Fail Two or more levels of nesting. Use CSS properties instead of tables and nested tables to visually layout blocks of related content for graphical renderings. Tables 
Warn 14 Every img element that is less than 8 pixels high or 8 pixels wide OR has an empty alt attribute value should be removed and CSS techniques should be used for styling content. Images 
Warn 68 If the content of the alt attribute is not empty it should contain at least 7 characters and less than 90 characters. The text should provide people who cannot see the image orientation to the content and purpose of the image in the website. Images 

Date: 11/5/2012 20:47 PM
URL: http://www.cycu.edu.tw/






Accessibility Extension

List of Accessibility Issues Summary

FAE RuleViolationsMessageClass
Fail The page should contain at least one and no more than two h1 elements. Headings 
Fail Each heading element (h1..h6) must have text content. Headings 
Warn Hidden or empty frames should not be used. Frames 
Fail Each img element should have alt text. Images 
Warn Every onmouseover or onmouseout event handler that is not on a focusable element should use CSS :hover psuedo element to provide the stylistic changes. Events 
Warn If consecutive p elements contain an img element with the alt attribute content that includes a single character or the null content, it may be representing a bulleted list of items. If the markup is representing a bulleted or other type of list, it should use HTML list markup and CSS, for incorporating the custom bullet. Lists 
Warn The character encoding was not specified. W3C Specifications 
Fail Every frame element must have a title attribute with content that describes the purpose of the frame. Frames 
Fail Heading elements that follow the last h1 should be properly nested. Headings 
Check Heading content should be concise (usually 65 or fewer characters in length). Headings 
Warn 24 Every img element that is less than 8 pixels high or 8 pixels wide OR has an empty alt attribute value should be removed and CSS techniques should be used for styling content. Images 
Warn 37 Ensure that links that point to different HREFs use different link text. Links 
Warn 56 Avoid using text links that are shorter than four 4 characters in length. Links 
Warn 68 Ensure that links that point to the same HREF use the same link text. Links 
Warn 92 Every onClick event handler should be on a focusable element. Events 
Fail 98 Each page must have a lang attribute on its html element whose value or initial subtag is a valid two-character language code. Language Changes 
Warn 143 If the content of the alt attribute is not empty it should contain at least 7 characters and less than 90 characters. The text should provide people who cannot see the image orientation to the content and purpose of the image in the website. Images 

Date: 11/5/2012 20:48 PM
URL: http://www.youtube.com/




Accessibility Extension

List of Accessibility Issues Summary

FAE RuleViolationsMessageClass
Fail The page should contain at least one and no more than two h1 elements. Headings 
Fail Heading elements that follow the last h1 should be properly nested. Headings 
Check Heading content should be concise (usually 65 or fewer characters in length). Headings 
Check Most web pages should contain at least one navigation bar. Menu and Navigation Bars 
Fail The i element must not be used to italicize text content, instead use heading (h1-h6) elements for heading text or the em element for emphasizing words, phrases or sentences. Text Styling 
Fail The u element must not be used to underline text content, instead use heading (h1-h6) elements for heading text or the em or strong element for emphasizing words, phrases or sentences. Text Styling 
Warn The character encoding was not specified. W3C Specifications 
Check onChange event handler should not be used with the select element to cause a automatic change of focus or load a web page. Events 
Warn Ensure that links that point to different HREFs use different link text. Links 
Warn Avoid using text links that are shorter than four 4 characters in length. Links 
Fail 10 Each page must have a lang attribute on its html element whose value or initial subtag is a valid two-character language code. Language Changes 
Warn 13 Ensure that links that point to the same HREF use the same link text. Links 

Date: 11/5/2012 20:49 PM
URL: http://zh-tw.facebook.com/






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