GTmetrix Performance Blog
News, updates and guides on GTmetrix and general web performance
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Why is GTmetrix Seeing a File I Have Deleted From My Website?
We discuss why GTmetrix may be seeing a file on your website that you think shouldn’t be there.
Why is GTmetrix seeing a different version of my page?
We explain why GTmetrix may sometimes not see the same content you’re seeing in your browser.
Why is my GTmetrix Performance Score different from PageSpeed Insights, WebPageTest, and web.dev?
We explain why your GTmetrix Performance Score may be different from other Lighthouse-based tools.
I was scoring well with the Legacy GTmetrix before but now my grades have dropped. Why?
Learn why your grades may have dropped on the new GTmetrix Report even though you were scoring well on the Legacy Reports.
How GTmetrix Used GTmetrix to Speed up…GTmetrix!
As the team behind GTmetrix, we walk you through how we used our own tool to speed up the loading of our report page.