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The National Library for the Blind

The National Library for the Blind. Designing accessible websites. Joanna Widdows David Egan. Design For All. Accessible design is good design for all Visual impairment (VI) and the Web: VI: a continuum. How do visually impaired people access the web?. Magnification Refreshable Braille

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The National Library for the Blind

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  1. TheNational Libraryfor the Blind

  2. Designing accessible websites Joanna Widdows David Egan

  3. Design For All • Accessible design is good design for all • Visual impairment (VI) and the Web: • VI: a continuum

  4. How do visually impaired people access the web? • Magnification • Refreshable Braille • Speech synthesis

  5. Why Bother? • Social Inclusion • Best Value • DDA • E-Government

  6. Myths and Tips • Text version of site is essential • Good sites can include more than just text

  7. Myths and Tips • Frames must not be used • Give frames titles • Use ‘no frames’ version

  8. Myths and Tips • Tables must not be used • Avoid the use of tables for layout • Use necessary markup to describe tables

  9. Myths and Tips • Images must be avoided • Give all images alt text • Give imagemaps text links

  10. Myths and Tips • Flash and Javascript must not be used • Offer alternatives for Javascript, applets, flash plug-ins

  11. Myths and Tips • PDF must not be used • Make Access Adobe available for PDF files - http://access.adobe.com/

  12. Myths and Tips • Bobby is all you need • Use Bobby, other tools and human evaluation

  13. More Tips • Make the text legible • make the design flexible • Provide a site map [preferably at the bottom of the screen]

  14. …and more • Multiple links can make navigation difficult

  15. Make sure links make sense out of context

  16. The proof of the pudding... Some examples of good and bad practice

  17. NLB Consultancy • Co-ordinated byInteractive Initiatives • Developing NLB charter mark • david.egan@nlbuk.org

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