



Website performance testing and monitoring tool that generates detailed performance reports and scores using Google Lighthouse, helping developers analyze, monitor, and optimize website speed through waterfall charts, Core Web Vitals tracking, and global testing locations.
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GTmetrix is a website performance testing and monitoring tool that breaks down page performance in an easy-to-read, summarized report. It is website performance testing and monitoring software that generates performance reports and scores for web pages using Google Lighthouse.
Key features include waterfall charts, filmstrip view, and testing across devices, locations, and connectivity, with the ability to monitor performance over time and set up alerts for regressions. GTmetrix can track Core Web Vitals from actual visitors using CrUX data and monitor trends as far back as 6 months to identify patterns and address issues.
GTmetrix analyzes metrics like Largest Contentful Paint and Total Blocking Time, which are critical for understanding site performance.
When logged in, users can test site performance with specific browsers like Chrome, Firefox, or mobile browsers, and test with different connections. GTmetrix supports testing the speed of webpages from multiple locations with 65 servers in 22 different locations.
There is a free plan and a paid GTmetrix Pro plan with extra features like mobile testing and global test locations. The tool comes with two sets of plans – one for individual use and another for businesses, with individual plans starting at $4.25/month and business plans beginning at $72.50/month.
GTmetrix is designed to help developers, marketers, and website owners analyze, monitor, and optimize website speed and performance for everything from personal blogs to enterprise-level e-commerce platforms.