Add the Page Language When the Theme Leaves It Out
Sets the lang attribute on the page's html element from your site language when a theme forgets to print it, so screen readers pronounce your content in the right language.
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.