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WCAG/1-perceivable/1.2.8-media-alternative-prerecorded.md
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1.2.8 Media Alternative (Prerecorded)

  • Level: AAA
  • Guideline: 1.2 Time-based Media
  • Principle: 1 Perceivable

What it is

An alternative for time-based media is provided for all prerecorded synchronized media and for all prerecorded video-only media.

How to test

  • Check: An alternative for time-based media is provided for all prerecorded synchronized media and for all prerecorded video-only media.
  • Use the sufficient techniques below as acceptable methods when applicable.
  • Confirm none of the common failures apply.

Sufficient techniques (W3C)

  • G69: Providing an alternative for time based media
  • G58: Placing a link to the alternative for time-based media immediately next to the non-text content
  • H53: Using the body of the object element
  • G159: Providing an alternative for time-based media for video-only content

Common failures (W3C)

  • F74: Failure of Success Criterion 1.2.2 and 1.2.8 due to not labeling a synchronized media alternative to text as an alternative

Resources

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