GTmetrix Performance Blog
News, updates and guides on GTmetrix and general web performance
Category: Optimization Explained
Get a better understanding of common web performance concepts.
I was scoring well with the Legacy GTmetrix before but now my grades have dropped. Why?
Learn why your grades may have dropped on the new GTmetrix Report even though you were scoring well on the Legacy Reports.
Glossary of Web Performance Terms
Familiarize yourself with general web performance terms!
A Basic Guide to CDNs and GTmetrix
We’ll explain how using a Content Delivery Network (CDN) affects your GTmetrix score and how they help your page perform faster.
How to Analyze a Waterfall Chart
In a continuation of our first Waterfall Charts explained article, we’ll now go through general concepts to help you analyze a Waterfall Chart and discover performance issues for yourself.
How to Read a Waterfall Chart for Beginners
Learn what each element of a Waterfall Chart means and how it relates to performance.
