Download - Web accessibility for section 508
What is Section 508 ?
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• Section 508 is an amendment to the Workforce Rehabilitation Act of 1973, signed into law by President Clinton in 1998.
• Section 508 requires that information technology that is developed by or purchased by the Federal Agencies be Accessible by people with disabilities.
54 million Americans has a disability, that’s 10% of the population (2000 U.S. Census)
• 10 million Americans are Vision impaired
• 20 million Americans are Hearing impaired
Why Accessible is important
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How do they surf Web
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• Can not see the Screen
• Can not use the Mouse or Pointer system
• Can not use Keyboard
• Can not hear the Audio
Web Usability for Senior
Difference? Special Requirement?
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Senior Web Usability Test by Nielsen Norman Group
Web Usability for Senior
Difference? Special Requirement?
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Result: Yes! Current websites are Twice as hard to use for seniors as for non-seniors
Senior Web Usability Test by Nielsen Norman Group
Why Usability is Lower for Seniors?
• Designer - Young design for senior - Design mental model(VMM)
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Why Usability is Lower for Seniors?
• Designer - Young design for senior - Design mental model(VMM)
• Seniors - Physical changes (vision, motor control, memory)
- Computer/Web experience - Older hardware and software
(resolution, browser, network)
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Best Practice 1/3
1 Physical Improvement• Readability – Font(>12pt), High contrast,
White space, short lines, consistent UI
• Motor Control – Large Links, Button, Menu, standard Scrolling (<2 screen)
• Memory – Navigation, Breadcrumb, Site map
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Best Practice 2/3
2 Computer / Web experience • Language - simple , 8th grade level
• Avoid using jargon, abbreviation
• Forggiving design - error,cancel,back
• Help & Contact number
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Best Practice 3/3
3 Older Computer Environment• Browser – support IE6, etc
• Screen resolution –liquid layout
• Connectivity – compress file size
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