GTmetrix Performance Blog
News, updates and guides on GTmetrix and general web performance
More GTmetrix updates and fixes
A quick changelog of our recent changes and updates to GTmetrix.
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.
Why you should test your mobile performance
Mobile performance testing should be an essential part of your website maintenance checks.
How to Block ads in GTmetrix Tests
We show you how to block ads on your page from the GTmetrix test using Adblock Plus!
How to properly size images
Learn how to properly size images on your website for optimal performance.
Recent Posts
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How Landing Page Performance Can Silently Make or Break Your Google Ads Campaigns
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How Growth by Sabir Uses GTmetrix MCP and AI to Optimize Performance Across 200+ Ecommerce Brands
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How to Connect the GTmetrix MCP With Claude
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How to Connect the GTmetrix MCP With ChatGPT
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How to Connect the GTmetrix MCP With GitHub Copilot CLI
