GTmetrix is a free tool to test and monitor your page's performance. Using Lighthouse, GTmetrix generates scores for your pages and offers actionable recommendations on how to optimize them.

Core Web Vitals are one of the key signals in Google's search ranking algorithm. A very poor performing website may not fare well in search results and can impact your revenue if fewer people are finding you.

Uncover performance insights so you can make your site as fast as it can be with GTmetrix. Here’s a quick list of resources to get you on your way to optimization.

Nov 21, 2025 · We discuss some web performance tool alternatives to GTmetrix, and how GTmetrix compares to them.

In a nutshell, CrUX represents anonymized real-user performance data collected from millions of Chrome users. It is the key source for the field data you see not just in the GTmetrix Report but other …

Right out of the box, WP Rocket automatically applies 80% of web performance best practices, making your website load faster and improving your LCP score immediately.

Nov 5, 2024 · Bulk testing is beneficial for testing multiple pages and generating large amount of performance data with just a few clicks. In this guide, we’ve shown you how to perform a bulk test in …

A collection of web optimization resources, how-tos and guides to help you with front-end performance optimization essentials.

GTmetrix uses Google's Lighthouse - the modern standard in web performance to assess your website's performance and provide comprehensive, easy-to-understand recommendations and reports.

WP Rocket applies 80% of web performance best practices right out of the box, which allows your pages to load and render faster visually and directly improve your Speed Index score.