GTmetrix Performance Blog
News, updates and guides on GTmetrix and general web performance
How to Set Up Multi-Factor Authentication in GTmetrix
We show you how to set up Multi-Factor Authentication in GTmetrix.
How to Override Your DNS With GTmetrix
Get GTmetrix to use a custom DNS when performing tests.
How to Test With Custom Connection Speeds With GTmetrix
Test your page load on customized connection speeds with GTmetrix.
How to Customize Your User Agent in GTmetrix
Need to use a Custom User-Agent? We show you how to make use of our enhanced User Agent Override feature.
How to Use History Graphs
In this guide, we’ll tell you all about GTmetrix History Graphs and how to use them.