GTmetrix Performance Blog News, updates and guides on GTmetrix and general web performance Category: Using GTmetrixSpotlights on GTmetrix features and how to get the most out of them. Getting Started Guide Using GTmetrix / February 23, 2017 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. Search the Blog Categories Changes General How to Guides Optimization Explained Using GTmetrix Recent Posts How to Optimize Images: A Practical Guide What Does Image Optimization Mean? PageSpeed and YSlow are Half the Battle Getting Started Guide Why use a Content Delivery Network (CDN)?