Cloudflare Web Analytics now uses the native Soft Navigation API (where available) to more accurately measure pageviews and Core Web Vitals for Single Page Applications. Pageview counts may increase a...

CSS text-fit property, background-clip border-area, Focusgroup, and more.

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The NCSC recommends users opt for passkeys over passwords wherever they are available

Learn how the Signal API for passkeys is now available on Chrome for Android, enabling better synchronization between relying parties and passkey providers.

Use the Request conditions tab to block specific URLs or apply custom network throttling profiles to individual resources.

Passionate about a topic? Working on a new tool? Have a technique you want to teach? Research you've done? Tell the web performance community! Send your articles to ssttoo@ymail.com. Please include: ...

On 30th and 31st of October, 2025, the sixth edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.

Description This covers updating the parsing for the select element to match the changes to the HTML spec, as well as styling changes from appearance: base-select which enables rich content and hig...

In this guide we'll walk through the implementation of a WebSocket-based ping application. In this application, the client sends a

Bridging the gap between MPA and SPA: Making the transition into Google Search AI Mode feel seamless and connected with cross-document view transitions.

On 30th and 31st of October, 2025, the sixth edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.

Arguably, the most profound thing about the web is the ability to link one page to another.

Essential metrics for a healthy site. Contribute to GoogleChrome/web-vitals development by creating an account on GitHub.

Lighthouse is moving to performance insight audits

This guide outlines major developer features and breaking changes in 6.8 and is published in the Release Candidate phase to help inform WordPress extending developers, Core developers, and others. …

Discover Ilaria’s journey to a sustainable lifestyle, from vegan recipes to eco-friendly home tips. Get inspired by her story!

See charts from the Chrome UX Report History API

How RUMvision incorporated Baseline information with their RUM data.

Learn how Ray-Ban improved LCP by using the Speculation Rules API, and how it improved Ray-Ban's ecommerce platform's business performance.

This post kicks off the formal election process with a call for nominations for the 2025 Core Performance Team Reps. For about 2 years, Emily Clarke (@clarkeemily) and Felix Arntz (@flixos90) have …

A few lines of JavaScript to get all animations linked to an active View Transition.

Learn to optimize your pages for instant loads when using the browser's back and forward buttons.

All-in-one guide for improving Interaction-to-Next-Paint (INP) Core Web Vital in React applications. Introduces the useAfterPaintEffect hook.

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