LCP & CLS Monitor is a Chrome add-on developed by Dima Solovei. It falls under the category of Browsers and is specifically listed as an Add-ons & Tools subcategory. This free tool is designed to help users identify problematic elements that may be causing performance issues related to Largest Contentful Paint (LCP) and Cumulative Layout Shift (CLS) on web pages.

The main feature of LCP & CLS Monitor is its ability to visually highlight problematic elements on a web page by surrounding them with a red border. This makes it easier for users to identify and address issues that may be affecting the LCP and CLS performance of their website. Additionally, the add-on provides a real-time indicator in the lower left corner of the page, allowing users to monitor changes in the LCP and CLS metrics while browsing.

With LCP & CLS Monitor, web developers and site owners can easily track and improve their website's Core Web Vitals by identifying and resolving LCP and CLS performance issues. This add-on is a valuable tool for optimizing web page loading and layout stability, ultimately enhancing the user experience.