GTmetrix Performance Blog
News, updates and guides on GTmetrix and general web performance
Category: Using GTmetrix
Spotlights on GTmetrix features and how to get the most out of them.
Advanced Options for PRO (formerly Developer Toolkit)
GTmetrix has a ton of great features available in our Basic account (Sign up if you haven’t yet – it’s free!) – but for those who wanted more advanced insights, we’ve listened to your feedback and created the Developer Toolkit – a bundle of features that can help you get the most out of GTmetrix.
How to use Presets with GTmetrix
Save your favourite and most used analysis options in a preset for convenient one-click analysis.
Testing your page in multiple scenarios is key when it comes to optimizing for performance. We’ve made it easier to do so with the introduction of Analysis Presets
How to Override your DNS with GTmetrix
With our Override DNS feature, you can now specify a hostname and IP address to ensure your site is analyzed how you need it to.
How to Simulate Devices With GTmetrix
GTmetrix now allows you to test your page’s performance on them by modifying the screen resolution, user agent and device pixel ratio to each device’s technical specifications.
Getting Started Guide
Welcome to GTmetrix! We hope our tool helps you make your site as fast as it can be. Here’s a quick guide to get you on your way to optimization.