GTmetrix Performance Blog News, updates and guides on GTmetrix and general web performance Tag: efficiently encode images How to Optimize Images: A Practical Guide How to Guides / April 20, 2017 Want to know how to Serve Scaled Images and Optimize Your Images? We’ll show you how! What Does Image Optimization Mean? Optimization Explained / April 4, 2017 Optimizing images reduces the total size of your page and helps it load faster – but what does it all mean? Search the Blog Categories Case Studies Changes General How to Guides Optimization Explained Using GTmetrix Recent Posts How to use History Graphs API v2.0 and Custom Plans Now Available How to test with Cookies Why is my GTmetrix Performance Score different from PageSpeed Insights, WebPageTest, and web.dev? Which location should I test from?