GTmetrix Performance Blog

News, updates and guides on GTmetrix and general web performance

Category: Changes

Here you can find details on the latest major updates and features for GTmetrix.

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Updates to CDN Detection, Dashboard and More

We’ve made a few updates to our CDN detection, Dashboard behaviour, API usage notifications, and History graphs. Here’s a breakdown of the latest updates to GTmetrix:   CDN Detection We’ve improved YSlow’s CDN detection to also check hostnames that are CNAMEs to CDN hosts. CDNs like Akamai use these CNAME aliases to allow their users […]

Resource Usage Graphs Now Available

This release brings a new feature to GTmetrix, as well as a few fixes and updates. We’re happy to announce another set of metrics to help in determining performance issues: The Resource Usage Graph.

Recommendations Update

We’ve updated a few recommendations which will affect PageSpeed and YSlow scoring on GTmetrix. Read on to understand our new changes.