The Protect schema.org markup in HTML editor is a WordPress plugin designed specifically for managing schema.org attributes within the WordPress HTML editor (tinyMCE). This plugin addresses a common issue where the HTML editor strips out essential schema.org attributes such as itemscope, itemtype, and itemprop when saving post or page content. By altering the default behavior of the WordPress editor, this plugin ensures that your structured data markup remains intact, allowing for better search engine optimization and richer search results.

This plugin is particularly useful for businesses and developers who rely on schema markup to enhance their website's visibility in search engines. It is available for free and falls under the Business & Productivity category, specifically in Document Management. With this tool, users can confidently implement schema.org microdata without worrying about loss during content editing, thus maintaining the integrity of their structured data.