Level APerceivableTested by A11yied
WCAG 1.2.1: Audio-only and Video-only (Prerecorded)
1.2 Time-based Media
What Does This Criterion Require?
For prerecorded audio-only and video-only media, alternatives are provided.
Technical Details
| WCAG Level | A |
|---|---|
| WCAG Version | 2.1, 2.2 |
| POUR Principle | Perceivable |
| Guideline | 1.2 Time-based Media |
| A11yied Testing | Partially Automated |
How A11yied Tests This Criterion
A11yied automatically validates WCAG 1.2.1 using browser-based testing that analyzes your page in real-time.
Implementation: multimedia.ts
Testing Notes:
Heuristic-based detection. May have false negatives when unrelated links exist nearby.
Last verified: 10/12/2025
Test This Criterion on Your Site
Use A11yied to scan your website and identify WCAG 1.2.1 violations automatically. Get detailed reports with code examples and fix recommendations.
Start Free ScanRelated WCAG Criteria
Official WCAG Reference
View the official WCAG specification for 1.2.1 Audio-only and Video-only (Prerecorded) on the W3C website for complete technical details and implementation guidance.
Read W3C Understanding 1.2.1→