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.

Single-page apps came with special performance challenges. Learn how you can gather actionable data on your website performance and fix common SPA performance issues.

Learn how to optimize server-side rendering (SSR) performance in Nuxt 3 using advanced caching strategies, efficient data fetching, edge deployment with Nitro, and smart component loading. This complete guide covers SSR lifecycle insights, best practices for using useAsyncData and useFetch, and tips for reducing server and client payloads. Whether you’re building SEO-friendly pages, e-commerce platforms, or high-traffic apps, these Nuxt 3 performance tips will help you boost speed, scalability, and user experience.

For a long time, server-side performance mattered was the biggest factor in end user experience. But today, what happens in the browser also plays a big role. What does this change mean for engineering teams? And what can organizations do to best serve their customers?

Performance differences between HTTP3 vs HTTP2 depend on many factors, such as the geographical distance between client and server, network quality, the number of resources, or whether it's a first-time visit to the domain.

The Console tab in Chrome DevTools is extremely feature-packed! Learn how to get started and explore its more advanced features.

How quickly does the typical website respond to user interactions? And how does this vary across the world?

How Google performance optimizations make it possible to access websites without connecting to the website server.

The Improve Image Delivery performance insight of Lighthouse gives you image performance recommendations, such as increasing the image compression factor, using a modern image format, using video formats instead of GIFs, and using responsive images to reduce the image download size.

HAR files record what resources are loaded on a website and are a great tool to help web developers debug issues faced by visitors.

Learn why the HTML document request is crucial for page speed and what you can do to optimize it.

Boost your conversion rates with these 7 proven tips for improving landing page performance through effective copywriting, focused design, and web performance optimization.

We take a practical look at the performance impact of making many separate HTTP requests and what you can do to reduce it.

In this article we will take a look at each of DevTool's LCP request discovery insights.

Find out how to test and improve your website performance. Detect what causes poor website speed and how to quickly test potential optimizations.

Here is how you can reduce HTML file size to improve web performance and Core Web Vitals on your website.

Synchronous layout work as part of JavaScript execution can slow down website rendering and delay user interactions. Learn how to identify and fix forced reflows.