GTmetrix Performance Blog
News, updates and guides on GTmetrix and general web performance
How to properly size images
Learn how to properly size images on your website for optimal performance.
Moving from Legacy GTmetrix Report to the new GTmetrix Report
Having trouble understanding the new GTmetrix Report? Here’s some help to transition from our Legacy Reports to the new GTmetrix Report.
Compare page and Dashboard filter updates
We’ve updated our Compare page with filmstrips and added new Dashboard filters.
Recent GTmetrix updates and fixes
A quick changelog of our recent changes and updates to GTmetrix.
How to Test With Legacy GTmetrix Reports
If you’re not ready to make the switch to Lighthouse reports yet, you can still use the Legacy GTmetrix Reports!
