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As an invited speaker for World Usability Day in 2013, these slides feature are an introduction to Accessibility Testing for students in the Mount Royal University information design program.

As an invited speaker for World Usability Day in 2013, these slides feature are an introduction to Accessibility Testing for students in the Mount Royal University information design program.

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  • Accessibility for Ontarians with Disabilities ActWeb Content Accessibility Guidelines – version 1 1999, version 2 2008 – now ISO standardBritish StandardsThe 21st Century Communications and Video Accessibility Act of 2010 
  • No longer an option of it it will apply to me, it’s when will it apply to me.Accessibility for Ontarians with Disabilities ActWeb Content Accessibility Guidelines – version 1 1999, version 2 2008 – now ISO standardBritish StandardsThe 21st Century Communications and Video Accessibility Act of 2010 
  • No longer an option of it it will apply to me, it’s when will it apply to me.Accessibility for Ontarians with Disabilities ActWeb Content Accessibility Guidelines – version 1 1999, version 2 2008 – now ISO standardBritish StandardsThe 21st Century Communications and Video Accessibility Act of 2010 

Accessibility testing   world usability day 2013 - mount royal university Accessibility testing world usability day 2013 - mount royal university Presentation Transcript

  • ACCESSIBILITY TESTING 101 @PatrickDunphy | World Usability Day November 14, 2013
  • Transplanted Newfoundlander Proud Daddy Embarrasses wife at hockey games
  • The Beginning The REAL Beginning The Present
  • “The power of the web is in its universality. Access by everyone regardless of disability is an essential aspect.” Sir Tim Berners-Lee, Inventor of the WWW
  • Different users. Different needs. • Closed Captions • Meaningful Link Text • Alternative Navigation • Relative Sizing • Logical Content Order
  • Introduce Free Testing Tools That are available to and are Anyone Easy To Use
  • • • • • • • Keyboard support Sensory cues Consistent navigation No Context Dynamic content Controlling user experience
  • • • • • • • • Poor content structure Inappropriate markup Source order Absolute font sizes Poor contrast Inappropriate link text Language undefined
  • • • • • • • Misuse of alt text Missing alt attributes Charts and graphs CSS images Title attributes Baked image text (brand/logo exception)
  • 1. Compile UI components – modules, containers, templates, pages 2. Prioritize frequency & prominence 3. Include elements typically challenging for persons with disabilities. 4. Determine your target goal.
  • 1. Sanity Test w/o CSS & Images 2. Validate your code 3. Validate for Accessibility • apply testing tools (at least 2) & verify results • contrast/context/order/alternatives 4. Check keyboard Accessibility 5. Test with a screen reader 6. Verify against target goal 7. Conduct user testing 8. Rinse & Repeat
  • http://www.instra.com
  • http://weba.im/webdevtoolbar
  • http://validator.w3.org/
  • API Web Version Toolbar
  • • Provides different views • Determine target goal • Summarizes results • Instant Documentation • Code inspector * Wave is a tool to assist with evaluation, it’s not used to verify content is 100% accessible.
  • 14 errors  181 alerts to verify  83 contrast errors  Style / No style  Maps to target  Show outline  http://wave.webaim.org
  •  526(!) errors  Evaluation includes scripting  Firefox Toolbar only  Chrome release TBD http://weba.im/toolbar
  • FANGS Toolbar  Useful quick test  Not a substitute for real screen readers  Useful for headings & link text http://weba.im/fangs
  • Accessibility Toolbar • • • • • • Mulitple test types Report generator Navigation Text Equivalents Scripting Uses other tools http://weba.im/fae
  • JAWS http://weba.im/jawsdemo VoiceOver NVDA http://nvaccess.org
  • AODA – Accessibility for Ontarians with Disabilities Act WCAG 2.0 – Web Content Accessibility Guideline BS 8878 – British Standards CVAA – 21st Century Communications Video Accessibility Act Section 508 – US Federal Accessibility Law ADA – American’s with Disabilities Act
  • Involve Real People with Real Disabilities PWD using AT will reveal undiscovered issues Include Seniors
  • No silver bullet – only 25-30% of errors Always requires manual testing Subjective by nature Won’t identify issues revealed by real users with disabilities • Not one size fits all – different types of sites • • • •
  • Your keyboard WAVE Screen readers FANGS plugin WAT Toolbar (IE) Colour Contrast Analyzer FireEyes Diagnostic.css NoCoffee Plugin Firebug, Web Dev Toolbar High Contrast Mode http://www.webaim.org http://www.w3.org/WAI https://atutor.ca https://www.webaccessibility.com http://www.webaxe.org http://www.accessiq.org
  • • You are the most important testing tool • Don't just say no, offer solutions • Engage the community (befriend #a11y) • Don’t fear what you don’t know • BE A SPONGE • Share your knowledge
  • @PatrickDunphy