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Understanding Web Accessibility: Ensuring Equal Access for All Abilities

Web accessibility is crucial for ensuring that people of all abilities can access web content equally. Mandated by laws such as the Disability Discrimination Act and required for government websites in Australia, web accessibility standards (WCAG 2.0 AA) adhere to principles that make content perceivable, operable, understandable, and robust. This includes using alternatives for multimedia, providing keyboard navigation, and ensuring text is readable. By implementing these practices, we promote inclusivity and enhance user experience, ultimately aiding in SEO and good web practice.

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Understanding Web Accessibility: Ensuring Equal Access for All Abilities

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  1. Web Accessibility

  2. What is Web Accessibility • Ensuring people of all abilities have equal access to web content • Disability Discrimination Act – Web Access Advisory notes 2010 • Required by law (2006) in the USA • Required for Government Websites in Australia by end of 2014 • Important for good web practice, SEO, and equal access

  3. Web Accessibility National Transition Strategy for Government Websites • A policy of the Department of Finance for all Government Websites • Mandates conformance with WCAG 2.0 AA standard by 31 Dec 2014 • The what?... Web Content Accessibility Guidelines, version 2.0, level AA

  4. WCAG 2.0 Summary • 4 Principles – Web content must be: • Perceivable • Operable • Understandable • Robust

  5. WCAG 2.0 Summary • Principle 1 - Perceivable • Provide text alternatives for non-text content. • Provide captions and other alternatives for multimedia. • Create content that can be presented in different ways, including by assistive technologies, without losing meaning. • Make it easier for users to see and hear content.

  6. WCAG 2.0 Summary • Principle 2 – Operable • Make all functionality available from a keyboard. • Give users enough time to read and use content. • Do not use content that causes seizures. • Help users navigate and find content.

  7. WCAG 2.0 Summary • Principle 3 – Understandable • Make text readable and understandable. • Make content appear and operate in predictable ways. • Help users avoid and correct mistakes.

  8. WCAG 2.0 Summary • Principle 4 – Robust • Maximize compatibility with current and future user tools.

  9. Alt Text Alt text: “Getting to Uni” <imgsrc="xxx.jpg" alt="Getting to Uni" width="980" height="500"/> Alt text: “Student looking through microscope”

  10. Text Alignment ✗ ✗ ✓

  11. Heading Structure

  12. Link Text ✗ • To download the campus map click here. • Download the campus map. ✓

  13. Accessible Documents • HTML is the most accessible format • Word or Rich Text documents are also acceptable • PDFs cause problems!! Use with caution. • Refer to web resources for making PDFs accessible, ORprovide a Word or HTML alternative.

  14. Video Captioning • To be accessible a video must be captioned or have a transcript available in an accessible format • Captions must not be “burnt in” to the video, but be available using a closed captioning service, such as provided by YouTube. • YouTube can help with this!!

  15. Video Captioning

  16. Video Captioning

  17. Video Captioning

  18. Video Captioning

  19. Video Captioning

  20. Video Captioning

  21. Summary • Add Alt Text to Images • Align text Left-justified • Structure web pages and documents logically • Use meaningful link text • Use HTML first, then Word Documents, lastly PDFs • Caption all videos • AVOID EMBEDDING FLASH ELEMENTS!!

  22. Resources • Web Services Unit: uws.edu.au/wsu • Google “WCAG 2.0” or “Web Accessibility Checklist”

  23. Questions

  24. Web Accessibility

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