APMini is a Chrome extension designed to streamline the monitoring of key web page performance metrics, specifically TTFB, DOM Ready, and Load times. It conveniently overlays this information on the lower left corner of the browser window, allowing users to access these insights without disrupting their browsing experience. The extension offers a variety of features aimed at enhancing user convenience and efficiency.

Key features include real-time performance metric display, an overlay toggle functionality via the Ctrl + Q shortcut, and a simple hide option using the X button on the overlay. Additionally, APMini remembers the ON/OFF status of the overlay for each domain through cookie storage, ensuring a personalized experience without affecting settings on other sites. This makes APMini a valuable tool for web developers and performance enthusiasts.