Web Accessibility for All


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This presenation discusses the need for web accessibility for everyone focusing on individuals suffering from vision, hearing, and motor disabilities.

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Web Accessibility for All

  1. 1. Web Accessibility for All<br />Presented by:<br />Amy N. Payne<br />WAI<br />W3C<br />UAAG<br />WCAG<br />
  2. 2. Interesting Facts<br />8 to 9% of men and 0.05% of women suffer from color blindness<br />15 million blind and visually impaired in the U.S. <br />2.2 of every 1,000 people in the U.S. are deaf<br />3% of women and 2% of men will be diagnosed with carpal tunnel syndrome during their lifetimes<br />
  3. 3. Disabilities that can Affect Web Accessibility<br />Visual disabilities<br />Blindness<br />Low vision<br />Color Blindness<br />Hearing impairments<br />Deafness<br />Hard of hearing<br />Physical Disabilities<br />Motor disabilities<br />
  4. 4. Improving Web Accessibility<br />Adaptive Technology<br />Automated Conversation<br />Human Development<br />
  5. 5. Visual Disabilities<br />Be consistent with the layout, so if it is magnified context will not be lost<br />Use high contrast images that can be used with style sheets<br />Use alternative text with all images<br />If video is used describe it in a text document<br />Avoid non-standard document formats that may be difficult for a screen reader to interpret<br />Avoid text presented as images<br />
  6. 6. Hearing Impairments<br />Include captions or transcripts of audio on the web<br />Avoid over use of text and use images when necessary<br />Remember sign language is a second language for hearing impaired<br />
  7. 7. Physical Disabilities<br />Avoid time limited response options on Web pages<br />Always offer keyboard alternatives to mouse commands<br />Use forms that can be tabbed through in a logical order<br />
  8. 8. Accessibility Myths<br />Accessible web is more expensive for streaming audio and requires higher bandwidth<br />Accessible web requires two versions of the same website—text and graphical <br />Accessible web is only required if you receive federal funding<br />Web developers cannot be held liable if their client told them to ignore accessible design<br />
  9. 9. References<br />http://www.brailleinstitute.org<br />http://research.gallaudet.edu/Demographics/deaf-US.php<br />http://answers.yahoo.com/question/index?qid=1006011205418<br />http://www.afb.org/Section.asp?Documentid=3481<br />http://juicystudio.com/services/aertcolourcontrast.php#result<br />http://www.velvetblues.com/web-development-blog/proper-use-of-alt-text-in-html/<br />Thatcher, Jim. Web Accessibility Web Standards and Regulatory Compliance. Berkley: Apress, 2006<br />