GTmetrix Performance Blog
News, updates and guides on GTmetrix and general web performance
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.
WordPress Optimization Using WP Rocket
June 25, 2025 – Updated guide Are you looking to maximize performance for your WordPress site? Here’s a step-by-step guide on using WP Rocket to optimize your WordPress installation.
Sliders on the Homepage: Best Practices and Alternatives
Do you want to use a slider on your homepage? We explain when you can do so and suggest some alternatives for when you probably shouldn’t.




