We've tested the 5,000 most popular Chrome extensions to see if they slow down your browsing experience.

Discover the basics of scheduler.yield and learn how to use this tool to optimise your web applications' performance

We take a look at how fast the web is using Google's Chrome User Experience Report

INP interactions are often faster or slower depending on at whether visitors interact with a page early into the loading process or later on.

Making your website faster can improve user experience and SEO rankings. Here are the 10 best practices that can help you diagnose page speed issues and make your website faster.

The JavaScript load event has long been used to measure page speed. Learn what it measures and whether you should still look at it today.

Learn how to detect reloads and back/forward navigations and how they provide more caching opportunities.

Learn how to use the DevTools Performance tab to measure INP and identify ways to improve page responsiveness.

Early Hints let you load key resources even before the your website's document HTML starts loading.

In this tutorial, we look into how you can report Core Web Vitals for soft navigations from a React application to the Chrome DevTools Console.

Learn how to test your website and pass Google's Core Web Vitals assessment

2023 brought a lot of new web platform features that help you make your website fast.

React Suspense can make your React app be more efficent and load more quickly.

Core Web Vitals currently don't report soft navigations used in single page applications, but this is about to change. Here are the details and an explanation of how soft navigations work.

Learn how to analyze and improve the size of your Webpack bundle.

Learn how the Largest Contentful Paint metric can be broken down into sub-parts that help you identify what to optimize.

The new LoAF API provides debug data for long CPU tasks and slow user interactions.

Request waterfalls help you understand your page speed and identify optimizations.

Remote debugging lets you inspect and profile your website on a real mobile device.

Chrome DevTools lets you slow down your website to observe and inspect how it loads.