GTmetrix Performance Blog
News, updates and guides on GTmetrix and general web performance
Upcoming GTmetrix Test Server Changes
We’re making some important changes to our global test servers.
Updated to Lighthouse 12.3, New CLS Audit Details, and Scoring Changes
Moving from Lighthouse 11.0.0 to 12.3.0 saw some relevant changes to CLS scoring methodology as well as various audits.
What is CrUX and Why Should I Care?
We explain what CrUX data is and why any website owner should care about it.
How to View CrUX Data on GTmetrix
In this guide, we show you how to view and interpret CrUX data in the GTmetrix Report.
Field/CrUX Data is Now Available in GTmetrix
We’ve brought field data (CrUX) into the GTmetrix Report in this release!