🔵 Level AA

WCAG 1.2.4: Captions Live

Success Criterion 1.2.4 — Level AA

Quick Answer

Live audio content in video must have captions.

Why It Matters

Live events, webinars, and video calls without captions exclude deaf participants.

How to Audit

Run an automated accessibility scan to detect common Captions Live failures. Then manually verify with: keyboard-only navigation, a screen reader (VoiceOver on Mac, NVDA on Windows), and browser developer tools. Automated tools catch approximately 40% of Captions Live issues — manual testing is essential.

How to Fix

Use live captioning services or AI tools for real-time captions on live video content.

Frequently Asked Questions

What is WCAG 1.2.4 Captions Live?

Live audio content in video must have captions.

Is WCAG 1.2.4 required for ADA compliance?

WCAG 2.1 Level AA is the standard referenced in most ADA website lawsuits and DOJ guidance. All Level AA criteria including this one are relevant to legal compliance.

How do I fix WCAG 1.2.4 violations?

Use live captioning services or AI tools for real-time captions on live video content.

Disclaimer: This guide is for informational purposes only and does not constitute legal advice. Consult a qualified ADA/accessibility attorney for your specific compliance situation.

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