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Blog

Tag: web.dev

Why is my GTmetrix Performance Score different from PageSpeed Insights, WebPageTest, and web.dev?

Optimization Explained / April 22, 2021

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?

Optimization Explained, Using GTmetrix / November 16, 2020

Learn why your grades may have dropped on the new GTmetrix Report even though you were scoring well on the Legacy Reports.

Big changes are coming to GTmetrix: Lighthouse, new test locations, new PRO plans, etc.

Changes / September 1, 2020

We’re excited to give you a sneak preview of the major GTmetrix update coming soon!

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GTmetrix Performance Blog

News, updates and guides on GTmetrix and general web performance

Tag: web.dev

Why is my GTmetrix Performance Score different from PageSpeed Insights, WebPageTest, and web.dev?

I was scoring well with the Legacy GTmetrix before but now my grades have dropped. Why?

Big changes are coming to GTmetrix: Lighthouse, new test locations, new PRO plans, etc.

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Tag: web.dev

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