React Compiler helps optimize React performance by automatically memoizing your app, which can improve your Interaction to Next Paint (INP) scores, eliminate unnecessary re-renders, and make your code cleaner.

Learn how website speed impacts user experience and how you can measure performance and business outcomes.

Learn how to optimize React application performance using useMemo and useCallback. This article explains when memoization truly matters, highlights common performance pitfalls, and provides practical examples and best practices—along with references to real-world React performance guidelines used by modern teams.

Learn why Lighthouse scores differ between tools like PageSpeed Insights and Chrome DevTools, and how to diagnose and fix these discrepancies.

Learn how to measure the performance of your React app and identify what's slowing it down.

How we discovered and fixed a lodash memoize memory leak that caused out of memory crashes in our Google Cloud Functions.

Learn how we've improved real user monitoring, synthetic testing, and team collaboration.

Firefox and Safari now support LCP and INP Core Web Vitals metrics, providing new insight into real visitor experience.

Take a look at Core Web Vitals on a real website to see how it could be optimized.

Learn how to optimize images in Next.js using the next/image component. Discover best practices for responsive images, lazy loading, and improving Core Web Vitals with automatic image optimization.

Find out how web performance changed in 2025, and what changes are coming up in the future.

We take a look at a real-world website to investigate what's slowing it down and how it could be optimized.

HTML parsing speed speed depends on the processing power of the visitor's device. I collected two quick datapoints.

Learn how to set pause execution, inspect application state, and discover advanced breakpoint functionality.

Learn how to delay individual requests in Chrome DevTools. Debug performance issues or bugs that happen when specific resources are delayed.

Learn what critical CSS is, how to inline it to improve page load performance, and understand the trade-offs before implementing it on your website.

Learn how to optimize your Magento and Adobe Commerce store for better Core Web Vitals. Fix slow TTFB, render-blocking assets, layout shifts, and more with our step-by-step performance guide.

Learn how to use the Chrome DevTools MCP server with AI models to analyze web performance and get concrete optimization recommendations.

Deliver beautiful images to your website's visitors without sacrificing page speed.

Explore a practical comparison of Nuxt and Next.js, focusing on SSR performance, hybrid rendering, and unique framework features. This guide highlights real-world benchmarks, code examples, and deployment considerations to help you choose the right framework for your projects.