web.dev
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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.
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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.
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Big changes are coming to GTmetrix: Lighthouse, new test locations, new PRO plans, etc.
We’re excited to give you a sneak preview of the major GTmetrix update coming soon!
