GTmetrix Performance Blog
News, updates and guides on GTmetrix and general web performance
Category: Optimization Explained
Get a better understanding of common web performance concepts.
What Causes Bad CLS and How to Fix it?
We explain all the different causes of a poor CLS score and how to fix them.
A Designer’s Guide: Integrating Image Optimization and Building a Culture of Web Performance
Discover more strategies to make image optimization an integrated process in your project.
A Designer’s Guide to Image Optimization
We discuss image optimization strategies from a web designer’s perspective.
Long Purple Bars on Waterfall Chart: Hosting or Developer?
Seeing long purple bars on your Waterfall Chart? Figure out who to contact; your hosting provider or developer.
Bad Performance and/or Structure Scores: Hosting or Developer?
Seeing poor Performance and/or Structure Scores on your GTmetrix Report? We’ll tell you if you need to consult your hosting provider or developer.
