PocketSEO
GTmetrix
GTmetrix is a web performance testing tool that analyzes website speed and provides actionable optimization recommendations. It runs Lighthouse audits to measure Core Web Vitals, page load times, and other performance metrics from multiple global locations. The tool generates detailed reports showing what's slowing down your site and how to fix it.
Built for developers, SEO professionals, and site owners who need to monitor and improve website performance. GTmetrix provides both one-time testing and continuous monitoring capabilities. You can track performance trends over time, set up alerts for performance degradation, and access Real User Metrics through Chrome User Experience Report (CrUX) data.
The platform offers free testing with basic features, while paid plans unlock advanced monitoring, multiple test locations, and priority testing queues. Reports include waterfall charts, filmstrip views, and specific recommendations based on Google's web performance best practices.
Key Features
- check_circle Lighthouse performance audits
- check_circle Core Web Vitals monitoring
- check_circle Real User Metrics (CrUX data)
- check_circle Global testing locations
- check_circle Performance monitoring and alerts
- check_circle Waterfall charts and filmstrip views
- check_circle Historical performance tracking
- check_circle Optimization recommendations
