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How to Test With Mobile Devices Using GTmetrix
Learn how to test mobile performance with GTmetrix using simulated devices. Optimize test options to match your visitors’ page experience.
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Why you should test your mobile performance
Mobile performance testing should be an essential part of your website maintenance checks.
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How to Block Ads in GTmetrix Tests
We show you how to block ads on your page from the GTmetrix test using Adblock Plus!
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How to properly size images
Learn how to properly size images on your website for optimal performance.
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Moving from Legacy GTmetrix Report to the new GTmetrix Report
Having trouble understanding the new GTmetrix Report? Here’s some help to transition from our Legacy Reports to the new GTmetrix Report.
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Compare page and Dashboard filter updates
We’ve updated our Compare page with filmstrips and added new Dashboard filters.
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Recent GTmetrix updates and fixes
A quick changelog of our recent changes and updates to GTmetrix.
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How to Test With Legacy GTmetrix Reports
If you’re not ready to make the switch to Lighthouse reports yet, you can still use the Legacy GTmetrix Reports!
