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.
GTmetrix vs Lighthouse (DevTools)
In this article, we compare GTmetrix to Google’s Lighthouse run on Chrome DevTools.
GTmetrix Alternatives
We discuss some web performance tool alternatives to GTmetrix, and how GTmetrix compares to them.
GTmetrix vs PageSpeed Insights (PSI)
In this article, we compare GTmetrix to Google’s PageSpeed Insights.
GTmetrix vs WebPageTest
In this guide, we compare GTmetrix to WebPageTest, a similar web performance testing tool.
GTmetrix vs DebugBear
In this guide, we compare GTmetrix to DebugBear, a Lighthouse-based web performance testing tool.