1.1.1 Non-text Content
All images and other non-text content (like icons, charts, audio, CAPTCHAs, or controls) must have a descriptive text alternative that conveys their meaning. Purely decorative content can be hidden from assistive technologies (e.g. using an empty alt attribute).
1.2.1 Audio-only and Video-only (Prerecorded)
Prerecorded audio-only content must have a text transcript. Prerecorded video-only content must have a text or audio description.
1.2.2 Captions (Prerecorded)
Prerecorded videos with audio must have synchronized captions that include; all speech; relevant sound effects (like music, alarms, or laughter).
1.2.3 Audio Description or Media Alternative (Prerecorded)
Important visual content in prerecorded videos must be described using; an audio description or; a text-based alternative.
1.2.4 Captions (Live)
Live video with audio must include real-time captions that cover; speech and; important sound effects (like music, alarms, or laughter).
1.2.5 Audio Description (Prerecorded)
Important visual content in prerecorded videos with audio must be described using; an audio description, unless it is already explained in the main audio track.
1.2.6 Sign Language (Prerecorded)
All prerecorded videos with audio must include a sign language interpretation.
1.2.7 Extended Audio Description (Prerecorded)
Prerecorded videos must include extended audio descriptions if important visual content can’t be described during normal playback like important visual details, on-screen text not spoken aloud, or scenes without natural audio breaks.
1.2.8 Media Alternative (Prerecorded)
Prerecorded videos must have a full text alternative—even if captions and audio descriptions are already available—that includes all speech, relevant sound effects (like music, alarms, or laughter), and important visual content.
1.2.9 Audio-only (Live)
Live audio-only content must include a real-time text alternative, such as; captions, or live transcripts.