Use
Firefox Accessibility Extension to check the accessibility of three sites that you visit most.
Report the summary of all the errors and warnings for each site.
Reference:
http://dia.z6i.org/ (中文) 在 30 天內打造更具親和力的網站
1. Yahoo! 奇摩
Accessibility Extension
List of Accessibility Issues Summary
| FAE Rule | Violations | Message | Class |
|---|
| Warn | 1 | The
words contained in each h1 element should match a subset of the words
contained in the title element. Words (%1) in h1 elements should also be
in the title element. | Title |
| Fail | 1 | Each heading element (h1..h6) must have text content. | Headings |
| Check | 1 | Heading content should be concise (usually 65 or fewer characters in length). | Headings |
| Warn | 1 | 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 |
| Warn | 2 | Each
map, ul or ol element that precedes the last h1 element and appears to
be a navigation bar should be immediately preceded by a heading element,
preferably an h2. | Menu and Navigation Bars |
| Warn | 4 | Every onClick event handler should be on a focusable element. | Events |
| Warn | 8 | The content of the headings of the same level within the same section should be unique. | Headings |
| Fail | 21 | Heading elements that follow the last h1 should be properly nested. | Headings |
| Fail | 21 | Each img element should have alt text. | Images |
| Warn | 32 | Ensure that links that point to the same HREF use the same link text. | Links |
| Warn | 58 | Ensure that links that point to different HREFs use different link text. | Links |
| Warn | 100 | Avoid using text links that are shorter than four 4 characters in length. | Links |
Date: 5/7/2012 20:04 PM
URL: http://tw.yahoo.com/
2. Facebook
Accessibility Extension
List of Accessibility Issues Summary
| FAE Rule | Violations | Message | Class |
|---|
| Fail | 1 | The page should contain at least one and no more than two h1 elements. | Headings |
| Fail | 1 | Heading elements that follow the last h1 should be properly nested. | Headings |
| Check | 1 | Heading content should be concise (usually 65 or fewer characters in length). | Headings |
| Warn | 1 | Each
map, ul or ol element that precedes the last h1 element and appears to
be a navigation bar should be immediately preceded by a heading element,
preferably an h2. | Menu and Navigation Bars |
| Check | 1 | Most web pages should contain at least one navigation bar. | Menu and Navigation Bars |
| Fail | 1 | 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 | 1 | 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 | 1 | The character encoding was not specified. | W3C Specifications |
| Check | 2 | 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 | 5 | Ensure that links that point to different HREFs use different link text. | Links |
| Warn | 7 | Avoid using text links that are shorter than four 4 characters in length. | Links |
| Warn | 10 | Ensure that links that point to the same HREF use the same link text. | 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 |
Date: 5/7/2012 20:05 PM
URL: http://www.facebook.com/
3. itouch
Accessibility Extension
List of Accessibility Issues Summary
| FAE Rule | Violations | Message | Class |
|---|
| Fail | 1 | The page should contain at least one and no more than two h1 elements. | Headings |
| Fail | 1 | Heading elements (h1..h6) should be used for structuring information on the page. | Headings |
| Check | 1 | Most web pages should contain at least one navigation bar. | Menu and Navigation Bars |
| Fail | 1 | 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 | 1 | Hidden or empty frames should not be used. | Frames |
| Fail | 1 | A DOCTYPE declaration was not found. | W3C Specifications |
| Fail | 2 | Every frame element must have a title attribute with content that describes the purpose of the frame. | Frames |
Date: 5/7/2012 20:06 PM
URL: http://itouch.cycu.edu.tw/
