Hide Empty Headings From Screen Readers
Finds heading tags on the page that contain no text (often left behind by page builders and themes) and hides them from screen readers, so they do not show up as blank entries in the heading list.
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.