Heading Outline Panel With Skipped-Level Warnings
Adds a "Heading outline" panel to the block editor sidebar that lists the post's headings as an indented outline and flags skipped levels (such as an H2 followed by an H4) and empty headings.
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.