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Why This is Important
Media alternatives describe all the visual and auditory content to a Blind, Deaf, and Deaf-Blind audience.
A media alternative reads like a screenplay or book. It includes all the visual information (scenery, context, actions, visual descriptions) and auditory information (transcript of all speech and non-speech sounds) in a text format. Media alternatives are accessible to audiences who may not be able to hear audio descriptions well and may not be able to see visuals and captions well - so primarily Blind, Deaf, and Deaf-Blind people.
This references WCAG criterion 1.2.8 Media Alternative (Prerecorded) (Level AAA).
How to Implement This
How to Test This
This requires manual testing. If there is pre-recorded video present, look for the presence of a media alternative.
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