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Text alternatives · WCAG 2.0 Level A

<video> elements must have captions

Ensure <video> elements have captions.

What it means

The video-caption rule flags elements that fail this check. It maps to WCAG success criterion 1.2.2.

Who it affects

People who are blind or have low vision and use screen readers, and anyone whose images fail to load.

How to fix it

Add a captions track to every video with speech or meaningful sound.

<video controls>
  <source src="tour.mp4" type="video/mp4">
  <track kind="captions" src="tour.en.vtt" srclang="en" label="English">
</video>

Check it on your site

Run a free scan. If this rule fails, the results list the affected elements. Deque, which maintains axe-core, also documents this rule in detail: Deque University: video-caption.

Quick answers

What does the axe rule "video-caption" check?

Ensure <video> elements have captions.

How do I fix "<video> elements must have captions"?

Add a captions track to every video with speech or meaningful sound.

Who is affected by video-caption failures?

People who are blind or have low vision and use screen readers, and anyone whose images fail to load.

Automated accessibility scan. Results are informational and may not identify every accessibility issue. This service is not legal advice, a compliance certification, or a substitute for comprehensive manual accessibility testing.