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Web accessibility

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Web accessibility Web accessibility Presentation Transcript

  • Web Accessibility Alex Bilbie Developer, Online Services Team abilbie@lincoln.ac.ukSunday, 26 February 12
  • What?Sunday, 26 February 12
  • "Web accessibility means that people with disabilities can use the Web. More specifically, Web accessibility means that people with disabilities can perceive, understand, navigate, and interact with the Web, and that they can contribute to the Web. Web accessibility also benefits others, including older people with changing abilities due to ageing." W3C Web Accessibility Initiative (WAI) - http://lncn.eu/dr5Sunday, 26 February 12
  • "Web accessibility refers to the inclusive practice of making websites usable by people of all abilities and disabilities. When sites are correctly designed, developed and edited, all users can have equal access to information and functionality." Wikipedia article on Web Accessibility - http://lncn.eu/ekn8Sunday, 26 February 12
  • "Web accessibility refers to the inclusive practice of making websites usable by people of all abilities and disabilities. When sites are correctly designed, developed and edited, all users can have equal access to information and functionality." Wikipedia article on Web Accessibility - http://lncn.eu/ekn8Sunday, 26 February 12
  • Why?Sunday, 26 February 12
  • It’s illegal to discriminate Equality Act 2010 - http://lncn.eu/swxSunday, 26 February 12
  • A disabled person is someone who has a physical or mental impairment that has a substantial and long-term adverse effect on their ability to carry out normal day-to-day activitiesSunday, 26 February 12
  • 17% born with impairment; 87% acquire one in later life http://lncn.eu/ekuSunday, 26 February 12
  • 2 million affected by sight loss in the UK http://lncn.eu/nsvwSunday, 26 February 12
  • 10 million (1 in 7) living with arthritis http://lncn.eu/emuySunday, 26 February 12
  • 2.9 million living with diabetes http://lncn.eu/dpxSunday, 26 February 12
  • 2.5% of people in UK have learning difficulties http://lncn.eu/kx24Sunday, 26 February 12
  • Retinitis Pigmentosa or GlaucomaSunday, 26 February 12
  • Macular DegenerationSunday, 26 February 12
  • Diabetic RetinopathySunday, 26 February 12
  • CataractsSunday, 26 February 12
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  • Users are your customersSunday, 26 February 12
  • Guidelines • WCAG 1 and 2 - http://lncn.eu/dj36 • ARIA - http://lncn.eu/cj7 • 10 principles of inclusive web design - http:// lncn.eu/ekszSunday, 26 February 12
  • Things to consider when designing your websiteSunday, 26 February 12
  • Correctly markup contentSunday, 26 February 12
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  • An innocent looking form?Sunday, 26 February 12
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  • But to someone who relies on screen reading software... http://www.youtube.com/watch? v=d2MAVb4K_OcSunday, 26 February 12
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  • Correctly marked up content is more accessible to humans and machines http://www.youtube.com/watch? v=C13z5iVdFRASunday, 26 February 12
  • Use sensible navigationSunday, 26 February 12
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  • Make links look like linksSunday, 26 February 12
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  • Whitespace is your friendSunday, 26 February 12
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  • Avoid Adobe FlashSunday, 26 February 12
  • People do stupid things with Flash http://www.griplimited.com/ http://www.designsul.pt/Sunday, 26 February 12
  • Don’t design with JavaScript, enhance with itSunday, 26 February 12
  • Don’t disable or limit RSS feedsSunday, 26 February 12
  • What annoys you?Sunday, 26 February 12
  • Checklist • Magnified the content (using Ctrl/Cmd +, Ctrl/Cmd –) • Accessed without a mouse (using tab) • Lowered the resolution • Viewed on a small screen • Selected a default font • Tried different browsers • Turned off browser graphics display • Used meaningful alt attributes and title attributes • Offered audio and video alternativesSunday, 26 February 12
  • When you get it right "There is nothing on the iPhone on the iPad that you can do that I cant" - Stevie Wonder http://youtu.be/O2Tkj8SIHMU?t=4m35sSunday, 26 February 12