GTmetrix Performance Blog
News, updates and guides on GTmetrix and general web performance
More GTmetrix updates and fixes
A quick changelog of our recent changes and updates to GTmetrix.
How to Test With Mobile Devices Using GTmetrix
A guide on how to test with mobile devices using GTmetrix.
Why you should test your mobile performance
Mobile performance testing should be an essential part of your website maintenance checks.
How to Block ads in GTmetrix Tests
We show you how to block ads on your page from the GTmetrix test using Adblock Plus!
How to properly size images
Learn how to properly size images on your website for optimal performance.
