icaweb402a confirm accessibility of website for people with special needs by angela bice
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ICAWEB402A Confirm accessibility of website for people with special needs By Angela Bice . Identify Accessibility Standards .

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Presentation Transcript
identify accessibility standards
Identify Accessibility Standards
  • The standards or legislation defines how to make web content more accessible to people with disabilities. WACG 2.0 has 12 guideline that are organised under 4 principles which include:

- Principle 1: Perceivable - Information and user interface components must be presentable to users in ways they can perceive.

slide3

Principle 2: Operable - User interface components and navigation must be operable.

  • Principle 3: Understandable - Information and the operation of user interface must be understandable.
  • Principle 4: Robust - Content must be robust enough that it can be interpreted reliably by a wide variety of user agents, including assistive technologies.
principle 2 operable user interface components and navigation must be operable
Principle 2: Operable - User interface components and navigation must be operable.
  • Guideline 2.1 Keyboard Accessible: Make all functionality available from a keyboard.
  • Guideline 2.2 Enough Time: Provide users enough time to read and use content.
  • Guideline 2.3 Seizures: Do not design content in a way that is known to cause seizures.
  • Guideline 2.4 Navigable: Provide ways to help users navigate, find content, and determine where they are.
visual disabilities
Visual Disabilities
  • This can include people with low vision, colour blindness and blindness.
  • Barriers that may occur could include:
  • Video that is not described in text or audio,
  • Web pages with absolute font sizes
  • Colour that is used as a unique marker to emphasize text on a Web site
  • Text that inadequately contrasts with background colour or patterns.
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To overcome some of these barriers you can download some software like:

  • Screen readers
  • Voice browsers
  • Text based browsers
  • Use the alt”” tag for images
  • Refreshable Braille display and tabbing through heading and link
physical disabilities
Physical Disabilities
  • This can include motor disabilities like weakness, limitation of movement, joint problems, missing limbs and pain that impedes movement.
  • Barriers that may occur could include:
  • Time-limited response options on Web pages
  • Browsers that do not support keyboard alternatives
  • No tabbing in forms
slide8

To overcome some of these barriers you can:

  • use a specialized mouse
  • Keyboard keys easily accessible
  • Use a code for tabbing (<A TABINDEX="1" ACCESSKEY="P" HREF=" ....">)
  • A pointing device like head-mouse
  • Voice recognition software
  • Eye-gaze system
hearing disabilities
Hearing Disabilities
  • This can include people with hard of hearing, deafness, deaf-blindness, non English speaking
  • Some barriers can include:
  • No captions or transcripts
  • Text cannot be adjusted
  • Voice only operated sites
slide10

To over come some hearing disability barriers you can:

  • Captions
  • Volume controls
  • Transcripts on sites
  • Images with descriptions
  • Language options
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