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Accessibility Demystified
Web Accessibility Compliance and Tools to Help Meet the Requirements
#cascadeserver @hannon_hill
Goals of Presentation
Introduce the concept of web accessibility Identify our audience & define the barriers Learn some easy to identify design conflicts Introduce tools to help find accessibility
issues Explain how to implement some changes
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Cliché Definition Slide
Web Accessibility (n)
…means that the Web is designed so that people with disabilities can perceive, understand, navigate, and interact with it effectively, as well as create and contribute content to the Web. – W3.org
http://www.w3.org/WAI/lexicon
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Alphabet Soup of AccessibilityAcronym What does it stand for? What does it mean/do?
508 Standard Section 508 Standard of the Rehabilitation Act
Provide web standards for federally funded programs and services; technology must be accessible to employees and members of the public with disabilities to the extent it does not pose an “undue burden.”
ADA Americans with Disabilities Act Prohibits discrimination and ensures equal opportunity for persons with disabilities
IDEA Individuals with Disabilities Education Act
Ensures services to children (birth to 21) with disabilities; support the use of technology to maximize accessibility to the general education curriculum
Level A WCAG Level A Conformance Satisfies the minimal requirements (Priority 1 checkpoints) as set by WCAG
Level AA WCAG Level AA Conformance Satisfies all Level A and Level AA Success Criteria (Priority 1 & 2 checkpoints) as set by WCAG
Level AAA WCAG Level AAA Conformance Satisfies all Level A, Level AA, and Level AAA Success Criteria (Priority 1,2, & 3 checkpoints) as set by WCAG
UAAG User Agent Accessibility Guidelines
Primarily for developers of Web browsers, media players, assistive technologies, and other user agents
WAI Web Accessibility Initiative WAI develops the guidelines that makes the standard for Web accessibility and provide resources
WCAG Web Content Accessibility Guidelines
International set of technical standards for Web accessibility for content developers, web authoring tool developers and web accessibility evaluation tool developers
Are we considering all of our users?
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To Do List
① Educate
② Identify Potential Issues
③ Solve the Issues
④ Repeat
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Education
It’s not just important that you know about accessibility, but we must educate all content contributors. Teach them to fish!
•Learn about challenges
•Form/reform policies
•Train developers and contributors
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Basic Design Principles
• Layout HTML without CSS
• Provide a navigational skip to main content area
• Use headers in appropriate order
• Only use images where text will not suffice
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How do you know if your content is not accessible?
Identify potential design issues Color Contrast Checker Online Tool (http://www.accesskeys.org/tools/color-contrast.html)
Accessibility Color Wheel (http://gmazzocato.altervista.org/colorwheel/wheel.php)
Identify issues on specific pages WebAIM Online Tool (http://wave.webaim.org)
Online Tool for Pages & Snippets of HTML (http://achecker.ca/checker/index.php)
Color Contrast Checker Online Tool (http://www.accesskeys.org/tools/color-contrast.html)
Accessibility Color Wheel (http://gmazzocato.altervista.org/colorwheel/wheel.php)
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Examples
No flickering/blinking images
Color contrast
Alternative Text
Provide captions for media
Table summary/header
Ability to jump to main content
Headings
Use labels and submit elements on forms, make sure there is a way to fill required fields
Link text
Page should make sense without CSS
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Q & A
Contact me later:
Penny Kronz
Hannon Hill (Atlanta, GA)
678.904.6900 ext 255
#cascadeserver @hannon_hill
