GTmetrix Performance Blog
News, updates and guides on GTmetrix and general web performance
How to Use History Graphs
In this guide, we’ll tell you all about GTmetrix History Graphs and how to use them.
How to Organize Reports With Dashboard Filters
An in-depth guide on organizing your GTmetrix Reports with Dashboard Filters.
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.




