GTmetrix Performance Blog
News, updates and guides on GTmetrix and general web performance
HAR Diff
Today, we’re happy to announce HAR Diff, an add-on we wrote for HAR Viewer to allow the comparison of 2 waterfall graphs side-by-side!
New Test Server Regions
This article may contain outdated material The Test Locations outlined in this article are still available. However, refer to our locations page for an updated list of Test Locations. We’re pleased to announce new test server regions to analyze your URLs. In addition to our main Vancouver test region, you can now test your URL […]
Performance History graphs improvements
This article may contain outdated material This article may reference outdated material related to the legacy version of GTmetrix. In this round of updates, we’ve added 2 major features to GTmetrix and fixed some bugs.
Added Session Cookies
Advanced users can now analyze logged-in pages (like Facebook profiles) by specifying cookies.
Added HTTP Authentication support
Page that are protected using an authentication mechanism (eg. Apache’s htpasswd) can now be analyzed using GTmetrix!
