- Important note: This Wiki page is edited by participants of the User Agent Accessibility Guidelines working group (UAWG). It does not necessarily represent consensus and it may have incorrect information or information that is not supported by other Working Group participants, WAI, or W3C. It may also have some very useful information.
Appendix E: Alternative Content
Appendix E: Alternative Content
These are the elements and attributes that present 'alternative content' relevant to Guideline 1. This list of alternative content is provided to help developers and testers insure that they are correctly handling and complying with success criteria in this document that relate to alternative content. It is recommended that you test user agents against all of the alternative contents for all the document formats supposed by the user agent. This may not be a comprehensive list
<a href="http://www.w3.org/html/wg/drafts/html/master/dom.html#fallback-content">HTML5 fallback content list</a>
@@ Editors' Note: This needs update and permanent links as HTML5 goes to rec. Get listings of alternative content for other technologies. Think about better format for presenting it.
- @alt for IMG
- @alt for AREA
- @alt for INPUT type=image
- @alt for EMBED
- @longdesc for IMG
- @longdesc for FRAME
- @longdesc for IFRAME
- @summary for TABLE
- @abbr for TH
- @title for A
- @title for ABBR
- @title for ACRONYM
- @title for many other things (SPAN <a href="http://dev.w3.org/html5/spec/Overview.html#footnotes">http://dev.w3.org/html5/spec/Overview.html#footnotes</a>) @@ ED note - find permalinks for these HTML5 references @@
- @cite for Q
- 'fallback content' for OBJECT
- 'fallback content' for EMBED
- 'fallback content' for CANVAS
- Caption tracks for VIDEO Audio
- Description tracks for VIDEO
- @srcdoc for IFRAME (<a href="http://dev.w3.org/html5/spec/Overview.html#the-iframe-element">http://dev.w3.org/html5/spec/Overview.html#the-iframe-element</a>)
- DETAILS and SUMMARY elements <a href="http://dev.w3.org/html5/spec/Overview.html#the-details-element">http://dev.w3.org/html5/spec/Overview.html#the-details-element</a> (? This is a user widget for the user to get additional information provided by the author but only available on request.)
- @title (hint) for COMMAND <a href="http://dev.w3.org/html5/spec/Overview.html#using-the-command-element-to-define-a-command">http://dev.w3.org/html5/spec/Overview.html#using-the-command-element-to-define-a-command</a>
- WAI role and state