lang

CHL-Change HTML Lang is a simple WordPress SEO plugin for changing HTML language attribute value in the header.

Add a custom HREFLANG meta box on your post to manually edit the link between your post and a translation (which could be outside your domain).

Add an abbreviation format button to the formatting toolbar in the block editor.

This plugin slice the language attribute for HTML tag, For example: lang="en-US" to lang="en"

This wordpress plugin adds a meta box for specifying html lang="" language per post.

Add lang attribute to the text formatting toolbar in the block editor.

Site Language Definition is a simple plugin for forcing the web browser to know what language your site is in.

Add language-tags via TinyMCE to comply with the Web Content Accessibility Guidelines.

Add a flag icon to link corresponding to the hreflang attribute.