WCAG 2.0 · Level A · Perceivable
WCAG 1.2.3 — Audio Description or Media Alternative (Prerecorded)
Prerecorded video needs either an audio description of important visual information or a full text alternative.
WCAG 1.2.3 at a glance
Level A · Principle: Perceivable · Added in WCAG 2.0. Level A is the minimum — failing it blocks some users entirely.
What it means
Prerecorded video needs either an audio description of important visual information or a full text alternative.
Who it helps
Blind and low-vision users who can’t see on-screen action.
Common failures
- Video where key information is shown but never spoken, with no description
- No transcript covering visual content
How to meet WCAG 1.2.3
- Add an audio description track, or
- Provide a text alternative that includes the visual information
How to test it
Manual review of the media.