GTmetrix Performance Blog
News, updates and guides on GTmetrix and general web performance
WP Bullet Agency – GTmetrix Insights Help Triple Google Traffic
Editor’s note: This guest post is brought to you by Mike Andreasen, Founder at WP Bullet. “GTmetrix helps us find performance problems before Google notices!”
Set Default Analysis Options for GTmetrix Tests
Do you frequently test with a specific set of Analysis Options? Set your own Default Analysis Options in User Settings.
Don’t Chase Perfect Scores
We explain why you shouldn’t chase perfect scores on GTmetrix (or any performance tool).
Lighthouse 8.3.0 Update
We’ve upgraded GTmetrix to Lighthouse 8.3.0 – read on for changes that come with this release.
Adding Custom CDN Hostnames
Last Updated: April 13, 2026 If you’re sure your website uses a performant and reputable CDN, you can add the hostname to GTmetrix tests to avoid triggering the “Use a CDN” audit.
