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.

What's the speediest site in the food, drink and recipe publishing vertical? We analyzed their web performance to find out.

Optimize viewport for mobile for faster interactions is a new Lighthouse performance insight that helps you detect viewports that are not optimized for mobile.

Learn to load test your website with our JMeter tutorial. Create scripts, run tests, and ensure your site can handle expected traffic.

We put 8 self-checkout machines in different UK stores to the test: how quickly do they respond to user input, what does the user see, and are there annoying extra steps before checkout?

What's the speediest site in the gaming publishing vertical? We analysed their web performance to find out.

Learn how to optimize third-party scripts in Nuxt using the Nuxt Scripts module and @nuxtjs/partytown. This guide goes beyond the basics, showing you how to declaratively manage scripts, conditionally load them (e.g., with consent), run heavy scripts in web workers, and combine both tools for real-world performance setups.

A focus on performance allows you deliver fast reliable applications to your customers. But it's also an investment that doesn't always pay off. Find out when you should invest in performance.

Third-party resources often weigh down websites and can be tricky to fine-tune for performance. Learn how to use web workers and Partytown to improve your page speed.

Find out what causes slow loading websites, how to identify page load problems, and what optimizations have the biggest impact to solve your page speed problems.

Learn how to use Safari's developer tools to debug your website on Mac OS and iOS.

Modern web apps thrive on dynamic content—but without smart data fetching strategies, performance and SEO can suffer. Enter Nuxt’s useAsyncData, a versatile composable that handles server- and client-side data fetching with caching, error handling, and performance optimization built-in.

Loading the most important resources first is key to improving website performance. However, even when resources are correctly prioritized, servers don't always adhere to the request priorities provided by the browser.