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  1. GTmetrix | Website Performance Testing and Monitoring

    Test your website speed GTmetrix tells you how your website performs, why it's slow, and how to optimize it.

  2. Features | GTmetrix

    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 …

  3. Resources - GTmetrix

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

  4. GTmetrix - Updates and web performance insights

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

  5. WordPress Optimization Guide - GTmetrix

    Dec 2, 2021 · The above optimization plugins are a good overall fit for most websites, both in terms of compatibility and improving site performance. If you have a WordPress site, give this …

  6. Largest Contentful Paint | GTmetrix

    Basically, LCP measures how fast substantial content on your web page can be consumed by your visitors. The assumption is that loading the largest content element on your page, like a …

  7. GTmetrix Test Server Locations

    GTmetrix offers various test locations worldwide for you to test your website performance globally.

  8. WordPress Optimization Using WP Rocket - GTmetrix

    Jun 30, 2022 · Make sure to check your site functionality after enabling the minification/combination features. If you find things are broken, disable all …

  9. Recommendations - GTmetrix

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

  10. Why you should test your mobile performance - GTmetrix

    Mar 16, 2021 · With Google also echoing this belief, mobile testing should be an essential part of your website development and optimization workflow. Check out our guide on testing on …