1. Prepare accurate captions
Captions should represent speech and meaningful sounds, with timing that follows the speaker. Automatic captions can be a draft, but review names, technical terms, and punctuation before relying on them.
2. Provide a transcript when useful
A transcript gives visitors a text version they can scan or read with assistive technology. Include the information needed to understand the video, not just a link to an unreviewed caption file.
3. Describe important visual context
If the video communicates information visually that is not spoken, provide equivalent description in narration or nearby text. A transcript that omits essential on-screen steps can leave a gap.
4. Test the viewing experience
Check that captions can be enabled, remain readable, and match the actual video. Offer a concise summary near the video so visitors can decide whether it contains the information they need.
