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The Center for Applied Special Technology (CAST) is an educational,
not-for-profit organization that provides a quick and easy way
to determine ease of access for users with disabilities. Their
simple Web-based tool, Bobby, analyzes Web pages and provides
suggestions on how to improve their accessibility.
Some common mistakes Web developers make are
- not including text equivalents for non-text items, such as
images, animations, frames, audio, and video elements
- not including text links for graphic-based links and image maps
- not including transcriptions, captions, or descriptions of
video-based multimedia elements
- not identifying changes in the primary language of the page,
such as not including HTML code for changing from English to
French in a line of text
- not identifying data cells and header cells in data tables
or including alternate layouts without tables
If your school or district has a Web site, visit the
Bobby
Web site and enter your school's home page Web address (URL).
(If not your own site, test a site that you or members of your
staff often use.) Read the report that Bobby generates. Was your
site approved? What steps are suggested to achieve Bobby approval?
Often, Web sites can obtain Bobby approval with the addition of
a few simple HTML codes. Developers who are aware of the Bobby
site can quickly incorporate approved techniques in the creation
of new pages.
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