GTmetrix is a web performance testing tool that analyzes website speed, identifies performance issues, and provides detailed optimization recommendations using metrics like Lighthouse, Web Vitals, and real user data from CrUX. It offers features such as scheduled monitoring, alerts for performance drops, testing from multiple global locations, and device simulations, with free usage available and advanced capabilities through GTmetrix PRO. Trusted by major companies, GTmetrix helps website owners continuously track and improve their site’s loading time and overall user experience.
GTmetrix | Website Speed and Performance Optimization
