GTmetrix Performance Blog
News, updates and guides on GTmetrix and general web performance
Tag: performance
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!
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.
Why is my Performance Score always changing?
Is your GTmetrix Performance Score always changing? Discover why in this article.
Black Friday/Cyber Monday 2019: Performance Blips and Blunders of Top Online Retailers
This article may contain outdated material The analysis performed in this article references the legacy version of GTmetrix. We’re back this year with Black Friday/Cyber Monday Performance Blips and Blunders 2019 edition! Like we did in previous years, we monitored the most popular online retail sites from the US and UK to see how they […]
Infographic: Black Friday/Cyber Monday 2018 Performance Blips and Blunders
This article may contain outdated material The infographics in this article reference the legacy version of GTmetrix. Check out our Black Friday 2018 Performance Infographic!
