GTmetrix Performance Blog
News, updates and guides on GTmetrix and general web performance
Slow Website Performance? You Might Be Using Too Much JavaScript
We’ll show you how too much JavaScript impacts your page’s performance and how to address this issue.
Introducing Global Notes, Update to Lighthouse 9.6.4/Chrome 103, and more!
Global Notes, updated Lighthouse and Chrome, new Simulated Devices/Connection speeds and more – read on for all changes that come with this release.
How to Add Global Notes
Need to bulk add notes to History Graphs on multiple GTmetrix Reports? Now, you can with Global Notes!
New Audit Tags & Metric Filters, User Agent Customization, and more!
We’ve added two new features in this release, along with various fixes and updates – read on to learn more!
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.
