Remind Editors to Add Captions to Videos
Shows a warning after saving when a post contains a Video block without a captions or subtitles track, so videos are not published without captions by accident.
Snippet Library
Accessibility snippets for WordPress
Snippets that make WordPress easier for everyone to use: skip links, focus styles, better link text and fixes for common accessibility issues. For site owners who want a site that works with keyboards and screen readers.
Turn On Captions by Default in YouTube Embeds
Adds YouTube's captions setting to embedded videos, so subtitles are shown automatically whenever the video has them.
Use Image Captions as Alt Text When Alt Is Empty
For image blocks that have a caption but no alternative text, uses the caption text as the alt attribute, so the image is not announced as unlabeled.