Media Alternatives Test Page

Scenario 1: Video with no alternative media

Scenario 2: Video with aria-describedby attribute pointing to a non-existent ID

Scenario 3: Video with aria-describedby attribute pointing to an existing description

A description of the video content.

Scenario 4: Video with track element of kind descriptions

Scenario 5: Video with data-alternative-media attribute

An alternative media source for the video.

Scenario 6: Video with a transcript link as the next sibling

Video Transcript

Scenario 7: iframe with no alternative media

Scenario 8: iframe with aria-describedby attribute pointing to an existing description

A description of the iframe content.

Scenario 9: object with no alternative media

Your browser does not support the object element.

Scenario 10: object with a nested description

A description of the object content.
Your browser does not support the object element.

Scenario 11: embed with no alternative media

Your browser does not support the embed tag.

Scenario 12: embed with aria-describedby attribute pointing to an existing description

Your browser does not support the embed tag.
A description of the embed content.