GTmetrix Performance Blog
News, updates and guides on GTmetrix and general web performance
How to Use Presets With GTmetrix
Save your favourite and most used analysis options in a preset for convenient one-click analysis.
How to Simulate Devices With GTmetrix
GTmetrix allows you to test your page’s performance on mobile by modifying the screen resolution, user agent, and device pixel ratio to each device’s technical specifications.
GTmetrix vs Lighthouse (DevTools)
In this article, we compare GTmetrix to Google’s Lighthouse run on Chrome DevTools.
GTmetrix Alternatives
We discuss some web performance tool alternatives to GTmetrix, and how GTmetrix compares to them.
GTmetrix vs PageSpeed Insights (PSI)
In this article, we compare GTmetrix to Google’s PageSpeed Insights.
