GTmetrix Performance Blog
News, updates and guides on GTmetrix and general web performance
Anonymizing Your User-Agent
We explain why you may need to anonymize our default User-Agent and how to do it.
Interaction to Next Paint (INP) Explained
We explain what Interaction to Next Paint (INP) is, how it impacts performance, and why GTmetrix doesn’t track it (yet).
Field vs Lab (Synthetic) Data – How Do They Compare?
We explain the key differences between field and lab data and how you should interpret them.
How GTmetrix Used GTmetrix to Speed up…GTmetrix!
As the team behind GTmetrix, we walk you through how we used our own tool to speed up the loading of our report page.
Important Changes to GTmetrix
We’ve made some major changes to GTmetrix – read on for details on this release.
