GTmetrix Performance Blog
News, updates and guides on GTmetrix and general web performance
Author: Ian
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.
Using GTmetrix History Exports in Google Sheets
We’ll show you how to create simple KPI dashboards using Google Sheets and our export history CSV feature.
How to do Bulk Testing With GTmetrix
We explain how to test multiple pages at once with GTmetrix.
New Alerts Log, Automatic Alert Suppression, and more
We’ve enhanced our Alert features including a new Alerts Log tab, automatic Alert suppression, and more.
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.
