GTmetrix Performance Blog
News, updates and guides on GTmetrix and general web performance
Tag: PageSpeed Insights
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.
Everything you need to know about the new GTmetrix Report (powered by Lighthouse)
We’re excited to present a detailed look at the new GTmetrix Report – powered by Lighthouse!
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.
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!
The Difference Between GTmetrix, PageSpeed Insights, Pingdom Tools and WebPagetest
If you’ve used any of these tools, you may wonder why the results are sometimes different. The post serves to highlight the key differences in these performance analysis tools.