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.