Building a better web, together
We want to help you build beautiful, accessible, fast, and secure websites that work cross-browser, and for all of your users. This site is our home for content to help you on that journey, written by members of the Chrome team, and external experts who specialize in web development topics such as accessibility, performance, design, and more.
AI and the web
Discover resources created to help you understand and build performant, web-first experiences with AI.
Optimize INP
Interaction to Next Paint (INP) is now a Core Web Vital metrics. Start measuring and optimizing your site's INP.
Payments & Identity
Read up on the latest features and best practices when it comes to identity and payment processing.
Explore the web platform
The web platform is a constantly evolving ecosystem of browser features and APIs for developers to make websites that are easy and delightful to use. These pages are pathways for you to dive into each part of the web platform on web.dev—at your pace.
HTML
HTML is the document layer of the web, providing structure and semantics for pages.
CSS
CSS is the presentation layer of the web, and allows you to make your web pages look exactly like you imagine.
JavaScript
JavaScript adds rich interactivity to web pages, so you can build websites that help users to perform tasks and accomplish goals.
Learn the web platform
New to the web platform? We've got you covered! Dive into each layer, with courses curated specifically for beginners to HTML, CSS, and JavaScript.
Keep up on web development news
Read our blog to learn the latest news in web development, including new web platform features, updates to Baseline, AI, Core Web Vitals, and more.
Baseline
Get up to speed with the latest updates and news on Baseline.
November 2025 Baseline monthly digest
Read about various happenings with Baseline during November 2025.