Transcript Understandable

Web Accessibility
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
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
WCAG 2.0 Summary
4 Principles – Web content must be:
• Perceivable
• Operable
• Understandable
• Robust
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.
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.
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.
WCAG 2.0 Summary
Principle 4 – Robust
• Maximize compatibility with current and future user tools.
Alt Text
Alt text: “Getting to Uni”
<img src="xxx.jpg" alt="Getting to Uni"
width="980" height="500"/>
Alt text: “Student looking through microscope”
Text Alignment
✗
✗
✓
Heading
Structure
Link Text
To download the campus map click here.
Download the campus map.
✗
✓
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,
OR
provide a Word or HTML alternative.
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!!
Video Captioning
Video Captioning
Video Captioning
Video Captioning
Video Captioning
Video Captioning
Summary
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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!!
Resources
• Web Services Unit: uws.edu.au/wsu
• Google “WCAG 2.0” or “Web Accessibility Checklist”
Questions
Web Accessibility