Support Deaf & Hard of Hearing

#a11y logo Accessibility

WCAG 2.0

Web Content Accessibility Guidelines (WCAG) 2.0 provide development techniques and tests for supporting deaf and hard of hearing users. (


  • Ensure text or visual alternative is available for audio alerts and sounds.
  • Provide text transcript for audio
  • Provide captions for audio in synchronized media
  • Provide sign language for prerecorded audio in synchronized media


  • Turn off sound on your device and ensure you can understand your application’s audio and video.


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