Transcript Universal Design and Web Accessibility: Unexpected

Universal Design
and Web Accessibility:
Unexpected Beneficiaries
Terry Thompson
AccessIT
University of Washington
[email protected]
Can everyone
access your web
content?
“Everyone”
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People using different web browsers
People using different screen resolutions
People using handheld display units
People using audible web interfaces
People who are unable to hear
People who can’t use a mouse
People who can’t perceive color differences
People who are easily distracted
Universal Design
“the design of products and
environments to be usable by all
people, to the greatest extent
possible, without the need for
adaptation or specialized design.”
The Center for Universal Design:
http://www.design.ncsu.edu/cud
DRAFT W3C Web Content
Accessibility Guidelines 2.0
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Perceivable
Operable
Understandable
Robust
Source: w3.org/TR/wcag20
Web Accessibility
Techniques:
Who benefits?
Who benefits from…
Text Alternatives
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Users of screen readers
Users of text-only browser
Users of audible browsers
Users with low bandwidth
Users of PDA’s
Your site (better search engine
placement)
Who benefits from…
Closed Captioning
• Users who are deaf or hard of hearing
• Users in noisy environments
• Your site (facilitates archival & search)
Who benefits from…
Mouse independence
• People who don’t use a mouse due to
disability
• People who don’t use a mouse due to
personal preference
• People whose mice or dirty or broken
• Users of audible browsers
• Users of PDA’s and pen computers
(can’t “mouseover” with stylus)
Who benefits from…
Color Independence
• People who are color blind
• People with single-color displays
(including PDA’s)
• People with custom color settings & style
sheets
Who benefits from…
Accessible CSS-Based Layout
• Users of screen readers
• Users of emerging web-enabled devices
• Users who are connecting at slower
speeds (pages load much faster)
• Web developer (easier to maintain)
Who benefits from…
Accessible Forms
• Users of screen readers
• Users of audible browsers
• Mouse users (click on label to select a
checkbox or radio button)
Who benefits from…
Explicitly-Stated
Natural Language
• Users of screen readers
• Users of audible browsers
• Your site (better search engine placement)
For More Information
• AccessIT
www.washington.edu/accessit
Thank you!