For details, see the Google Developers Site Policies.

Use DevTools to inspect and debug the performance of your site, including the rendering and layout of elements, the execution of JavaScript, and network activity.

Learn about the latest protocols and web standards designed to make the web faster. Dive into performance web practices to learn about latest performance web optimizations for your web …

PageSpeed Insights is a tool by Google that reports on the performance of a page on both mobile and desktop devices and provides suggestions on how that page can be improved.

May 31, 2023 · We’ve researched the 13 best performance testing tools in 2025, inc. free & paid options, to ensure optimal performance of software, applications, and websites.

Apr 1, 2025 · Google PageSpeed Insights (PSI) is an online test tool that provides detailed reports about your website’s performance on mobile and desktop devices. By entering your website …

Oct 15, 2024 · Learn how to use Google PageSpeed Insights correctly, and why it shouldn’t be your only method of testing web performance.

Jan 17, 2024 · Google PageSpeed tools is a collection of resources for optimizing website performance. One of these tools, PageSpeed Insights, helps webmasters validate and …

May 23, 2025 · The easiest way to get a clear picture of your site’s performance is to test it on Google PageSpeed Insights (Google PSI). It’s a free web performance analysis tool that …

Oct 23, 2024 · This tutorial teaches you how to use the Chrome DevTools Performance panel to analyze runtime performance. In terms of the RAIL model, the skills you learn in this tutorial …