Join us online from 23-27 October for Passkeys Week | Blog
Passkeys Week is bringing fresh content and highlighting learning materials to help you successfully implement passkeys!
JSON module scripts are now Baseline Newly available | Blog
Thanks to JSON module scripts and import attributes, you can now directly import JSON in JavaScript modules. Both features are now Baseline Newly available.
Last baseline alignment | Blog
All major browser engines now support last baseline alignment in CSS grid and flexbox.
LCP and INP are now Baseline Newly available | Blog
LCP and INP are now Baseline Newly available as of December 12, 2025.
All of Learn Accessibility! is available | Blog
We launched the final modules for Learn Accessibility. This means you can take this course from start to finish or in any order you choose.
Start our latest course, Learn AI! | Blog
Learn how to build a responsible AI system for your website or web application.
A refresh of Learn CSS with nine new modules | Blog
Our popular Learn CSS course has been updated with new modules covering the latest CSS features.
All of Learn HTML! is available | Blog
We launched the final modules for Learn HTML. This means you can take this course from start to finish or in any order you choose.
Learn Images! | Blog
Today we have launched Learn Images! In our newest course learn about image formats, compression, responsive images, and performance.
Lighthouse evolution: continuous integration, new performance score formula, and more | Blog
Read about the latest Lighthouse updates announced at Chrome Developer Summit 2019.
Happy 20th birthday MDN! | Blog
Celebrating MDN's 20th birthday with cake.
More variable font options for the macOS system-ui font in Chromium 83
Chromium 80 had a system-ui font weight regression on macOS. The reason it broke, and the new super powers post-resolution, are worth the wait in Chromium 83.
Speed up service worker with navigation preloads | Blog
Navigation preload lets you overcome service worker startup time by making requests in parallel.
What's new in the web | Blog
What's new in Baseline this year, and about the new tools to help you make better use of Baseline.
New patterns for amazing apps | Blog
This blog post announces a new collection of patterns for amazing apps, including clipboard patterns, file patterns, and app patterns.
Next-generation web styling | Blog
Get up to date on some of the exciting new CSS features that are already supported in modern browsers—or soon will be!
Introducing Open Web Docs | Blog
A collective project between Google, Microsoft, Mozilla, Coil, W3C, Samsung, and Igalia to support the creation and maintenance of strategic web platform documentation.
Helping you select a passkey library | Blog
Helping you select a passkey library
Passkeys hackathon in Tokyo: Passkeys on IoT devices and more | Blog
Popover API lands in Baseline | Blog
The popover API lands in all modern browser engines.
The Popover API is now Baseline Newly available | Blog
Why we thought popover was in Baseline last year, and how we're using data to improve understanding of interoperability.
Promise.try is now Baseline Newly available
Promise.try has now landed in all major browser engines, making it Baseline Newly available.
Introducing PROXX
PROXX as a minesweeper-like game built as a PWA. It works on a vast variety of devices and progressively enhances the visual appearance the more capable the device is.
Push notifications are now supported cross-browser | Blog
Feedback wanted: An experimental responsiveness metric | Blog
An update on our plans for measuring responsiveness on the web.
Ruby on Rails on WebAssembly, the full-stack in-browser journey
Ruby on Rails' famous blog in 15 minutes now runs right in your browser thanks to WebAssembly.
Same-document view transitions have become Baseline Newly available | Blog
Same-document view transitions (and more view transitions-related features) are Baseline Newly available as of October 14, 2025.
The Screen Wake Lock API is now supported in all browsers
The Screen Wake Lock API has officially landed in all major browsers—Chrome, Safari, and Firefox.
The JavaScript Set methods are now part of Baseline | Blog
JavaScript set methods like union and intersection are now interoperable, making set operations easier.
Show Baseline status on your blog posts and presentations | Blog
Learn how to use the Baseline Status web component or logos to show the Baseline status of features.
Announcing Squoosh v2 | Blog
New codecs support, updated design, and CLI support!
State of CSS 2021 | Blog
State of CSS 2022 | Blog
Web styling features of today and tomorrow, as seen at Google IO 2022, plus some extras.
Tell us how you use CSS with the State of CSS survey | Blog
What do the State of CSS and HTML surveys tell us? | Blog
A look at the survey results from the State of HTML and State of CSS surveys.
Take the State of HTML survey today | Blog
Help us understand what you want in HTML.
Submit your proposals for Interop 2023 | Blog
Learn more about how to submit a proposal for Interop 2023.
Submit your proposals for Interop 2024 | Blog
Learn more about how to submit a proposal for Interop 2024.
TransformStream is now supported cross-browser | Blog
Now that transform streams are supported in Chrome, Safari, and Firefox, they're finally ready for prime time!
Vote for the web features you want to see | Blog
Have you ever wished you could just poke the browser vendors and say, "Hey, I need this!"? Well, now you can.
The large, small, and dynamic viewport units | Blog
New CSS units that account for mobile viewports with dynamic toolbars.
WasmGC and Wasm tail call optimizations are now Baseline Newly available
WebAssembly Garbage Collection and Wasm tail call optimizations have now landed in all major browser engines, making them Baseline Newly available.
Announcing the Web AI Acceleration Fund | Blog
Watch the Web AI Summit 2024 videos | Blog
Web Animations API improvements in Chromium 84
Wrangling your web animations is about to get much easier.
Announcing web.dev for China
We are publishing our sites on a .cn domain to make them easier to access in China.
New to the web platform in January | Blog
Discover some of the interesting features that have landed in stable and beta web browsers during January 2022.
New to the web platform in February | Blog
Discover some of the interesting features that landed in stable and beta web browsers during February 2022.
New to the web platform in March | Blog
Discover some of the interesting features that landed in stable and beta web browsers during March 2022.
New to the web platform in April | Blog
Discover some of the interesting features that landed in stable and beta web browsers during April 2022.
New to the web platform in May | Blog
Discover some of the interesting features that landed in stable and beta web browsers during May 2022.
New to the web platform in June | Blog
Discover some of the interesting features that landed in stable and beta web browsers during June 2022.
New to the web platform in July | Blog
Discover some of the interesting features that landed in stable and beta web browsers during July 2022.
New to the web platform in August | Blog
Discover some of the interesting features that landed in stable and beta web browsers during August 2022.
New to the web platform in September | Blog
Discover some of the interesting features that landed in stable and beta web browsers during September 2022.
New to the web platform in October | Blog
Discover some of the interesting features that landed in stable and beta web browsers during October 2022.
New to the web platform in November | Blog
Discover some of the interesting features that landed in stable and beta web browsers during November 2022.
New to the web platform in December | Blog
Discover some of the interesting features that landed in stable and beta web browsers during December 2022.
Announcing the Web Platform Dashboard | Blog
Discover a new way to view the web platform.
WebStatus.dev: Now with more data, deeper insights, and a clearer path to Baseline | Blog
Announcing improvements to the Web Platform Dashboard.