GTmetrix Performance Blog
News, updates and guides on GTmetrix and general web performance
Tag: PageSpeed
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!
Recommendation Updates – HTTP/2 changes and more
In this release you’ll find changes to the recommendations which may affect your PageSpeed and YSlow score.
Black Friday/Cyber Monday 2019: Performance Blips and Blunders of Top Online Retailers
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 performed in this year’s shopping rush.
How to Analyze a Waterfall Chart
In a continuation of our first Waterfall Charts explained article, we’ll now go through general concepts to help you analyze a Waterfall Chart and discover performance issues for yourself.
New SSL Timing in Waterfall Chart, Capacity Upgrades, and Other Updates
Whew! A lot of general improvements and maintenance were completed in this release.
Recent Posts
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Big changes are coming to GTmetrix: Lighthouse, new test locations, new PRO plans, etc.
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Improved consistency in report timings
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GTmetrix interview with Website Planet
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Recommendation Updates – HTTP/2 changes and more
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Black Friday/Cyber Monday 2019: Performance Blips and Blunders of Top Online Retailers