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Living Examples - Applets and Plug-Ins |
(m) When a web page requires that an applet, plug-in, or other application be present on the client system to interpret page content, the page must provide
a link to a plug-in or applet that complies with Ü1194.21(a) through (l).
Applets, plug-ins, and other applications are used when the web site contains a document or some other file type that is available for download, or when
the web page contains some sort of mechanism that cannot be activated by just the User Agent itself.
Each page that requires an applet, plug-in, or other application must contain a link to a Section 508 compliant version of the software.
The link should appear at the top of the page so the users know where they can get the plug-in before they come across a document that needs the plug-in.
This document must follow vendor guidelines for accessibility and/or Section 508 compliance.
Additionally, there may be occasions where you will need to create an HTML version of certain downloadable documents that cannot be made accessible (e.g.
PowerPoint presentations).
NOTE: Do not assume that documents created in MS-Word (generally .doc and .rtf extensions) are entirely accessible. Many people with disabilities have claimed
that Word is unacceptable for their specific needs. Also, those outside of your known user base who have access to your site may not own Word or may use
a platform that does not support Word.
Rich media formats allow the developer to add elaborate animation to a page or a select section of a page (e.g. navigation).
Any portion of a web site's functionality that is handled by a rich media format must be accessible by assistive technology (check the web site of the rich
media format manufacturer for accessibility information). Otherwise, the entire page must be recreated as a HTML version.
If a web site contains a splash page (e.g. a page that displays some sort of animated action) before automatically redirecting the user to the main content
page, the splash page must contain a link that will skip the splash intro and go directly to the main content page.
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Curator:
Responsible NASA Official:
Last Updated: March 6, 2009
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