Rich Results - Structured Data Test Plugin is a free Chrome extension developed by tmertazizoglu. It falls under the category of Browsers and specifically the subcategory of Add-ons & Tools.

This extension allows users to check the current URL in their browser with Google's Rich Results Test Tool. With Google's Rich Results Test fully supporting all Google Search rich result features, this extension becomes a valuable tool for webmasters and developers. It is especially useful as Google prepares to deprecate the Structured Data Testing Tool.

To use the extension, simply install and activate it in your Chrome browser. Once activated, visit any landing page that you want to test and click on the Rich Results plugin icon located on the top right extension bar of your browser. It's as simple as that!

With Rich Results - Structured Data Test Plugin, webmasters and developers can easily ensure their webpages are optimized for rich results in Google Search.