GTmetrix Performance Blog
News, updates and guides on GTmetrix and general web performance
WordPress Optimization Guide
Got a slow loading WordPress installation? We’ve listed some plugins and written a step-by-step guide for our WordPress users seeking optimization help.
Now offering Chrome as a browser option!
This article may contain outdated material The features outlined in this article are still available. However, the content pertains to the legacy version of GTmetrix. We’re excited to add Chrome to our list of browsers for site analysis – See how your site renders on Chrome!
Only Allow or Block URLs in your tests!
Overview Blocking URLs is useful for excluding 3rd-party scripts such as Facebook like/share widgets, Google Analytics scripts, YouTube embeds and any other external widgets you might want to be not be part of your page load.
Simulate Different Connection Speeds for Loading Your Page
You can now change the connection speed GTmetrix uses to analyze your page to simulate up to 5 different connections.
Get an Alternate View of Your Page Load With Filmstrip
This article may contain outdated material The features outlined in this article are still available. However, the content pertains to the legacy version of GTmetrix. Visualizing how your page loads is a difficult task. HAR files are too technical for some, and video playback is difficult to dissect (often a page goes from a blank […]




