Page Performance is a free Chrome extension developed by jwaters31. It falls under the category of Browsers and is classified as an Add-ons & Tools subcategory. This extension allows users to gather site performance metrics using the PageSpeed API.

With Page Performance, users can easily run page performance analysis on the current page they are visiting, directly from the extensions toolbar shortcut. This means that you don't have to navigate to a separate website or use external tools to analyze the performance of a webpage.

The extension utilizes the PageSpeed API to provide relevant and accurate site performance metrics. By simply clicking on the extension icon in the Chrome toolbar, users can access valuable insights about the loading speed, optimization suggestions, and other performance-related information of the webpage they are currently viewing.

Page Performance is a convenient tool for developers, webmasters, and anyone interested in optimizing their website's performance. It offers a seamless way to gather site performance metrics without leaving the browser, making it a valuable addition to any Chrome user's toolkit.