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

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 in Dallas, London or Sydney. Like the other test options, log in to access this new functionality.