What are Progressive Web Apps?
An introduction to Progressive Web Apps (PWAs) and the three pillars that separate them from other web apps.
What is WebAssembly and where did it come from?
An introduction to WebAssembly (sometimes abbreviated Wasm), the portable binary-code format and corresponding text format for executable programs as well as software interfaces for facilitating interactions between such programs and their host environment.
What's new in PageSpeed Insights
Learn about the latest in PageSpeed Insights to help you better measure and optimize your page and site quality.
When to use HTTPS for local development
Customize the window controls overlay of your PWA's title bar
With the Window Controls Overlay feature, developers can customize the title bar of installed PWAs so that their PWAs feel more like apps.
Workbox: your high-level service worker toolkit
Workbox is a high-level service worker toolkit built on top of the Service Worker and Cache Storage APIs. It provides a production-ready set of libraries for adding offline support to web apps.
Integrate PWAs into built-in sharing UIs with Workbox
How to register routes in Workbox so that your Progressive Web App shows up in system-level sharing UIs, alongside platform-specific apps.
New tricks in XMLHttpRequest2
Building web apps with Yeoman and Polymer
Announcing Baseline in action | Blog
Baseline in action is a new series developed to help developers learn how to use Baseline features together to build better user experiences.
Immutable array updates with Array.prototype.with | Blog
Learn how to use this new method to update an array without mutating the original array.
Introducing Baseline Alerts | Blog
Baseline Alerts have landed on the Web Platform Status Dashboard. Learn how they can shorten the time between awareness of a web feature, and when you can adopt it.
Join the WebDX CG for an AMA on Reddit | Blog
Join the AMA on r/webdev on September 18 and ask us anything!
The ClipboardItem.supports() function is now Baseline Newly available | Blog
The static ClipboardItem.supports() function to determine support for a given MIME type is now part of Baseline.
A definition update for Baseline | Blog
The definition of Baseline has changed. Find out why we made the change, and what it means for Baseline.
April 2025 Baseline monthly digest | Blog
Read about various happenings with Baseline during April 2025.
April 2026 Baseline monthly digest | Blog
Read about various happenings with Baseline during April 2026.
August 2025 Baseline monthly digest | Blog
Read about various happenings with Baseline during August 2025.
December 2025 Baseline monthly digest | Blog
Read about various happenings with Baseline during December 2025.
February 2025 Baseline monthly digest | Blog
Read about various happenings with Baseline during February 2025.
February 2026 Baseline monthly digest | Blog
Read about various happenings with Baseline during February 2026.
January 2025 Baseline monthly digest | Blog
In its first edition, this Baseline monthly digest covers happenings in Baseline at both Google and the web developer community in January 2025.
January 2026 Baseline monthly digest | Blog
Read about various happenings with Baseline during January 2026
July 2025 Baseline monthly digest | Blog
Read about various happenings with Baseline during July 2025.
July 2026 Baseline monthly digest | Blog
Read about various happenings with Baseline during July 2026.
June 2025 Baseline monthly digest | Blog
Read about various happenings with Baseline during June 2025.
June 2026 Baseline monthly digest | Blog
Read about various happenings with Baseline during June 2026.
March 2025 Baseline monthly digest | Blog
Read about various happenings with Baseline during March 2025.
March 2026 Baseline monthly digest | Blog
Read about various happenings with Baseline during March 2026.
May 2025 Baseline monthly digest | Blog
Read about various happenings with Baseline during May 2025.
May 2026 Baseline monthly digest | Blog
Read about various happenings with Baseline during May 2026.
November 2025 Baseline monthly digest | Blog
Read about various happenings with Baseline during November 2025.
October 2025 Baseline monthly digest | Blog
Read about various happenings with Baseline during October 2025.
September 2025 Baseline monthly digest | Blog
Read about various happenings with Baseline during September 2025.
Now in Baseline: animating entry effects | Blog
Improve the legibility of text when using fallback fonts.
The Baseline Tooling Hackathon starts now! | Blog
Want to make the web better for a chance to win cash prizes? Join the Baseline Tooling Hackathon!
The winners of the Baseline Tooling Hackathon are... | Blog
3,000 developers participated, but only 3 can win. Find out who won and what they built!
Iterator helpers have become Baseline Newly available | Blog
Iterator helpers became Baseline Newly available as of March 31, 2025.
The Baseline Features audit is now available in Lighthouse | Blog
Learn which web features are used on a page—and their Baseline status—with the new Lighthouse Baseline features audit.
Navigation API - a better way to navigate, is now Baseline Newly Available | Blog
The Navigation API is now Baseline Newly available, providing a better way to handle navigation in single-page applications.
The Baseline Netlify extension has shipped | Blog
The Baseline Netlify extension helps developers to understand which Baseline targets are best supported by users. Learn more in this post on how to use it!
Baseline 2024: more tools to help web developers | Articles
web-features dataset, Web Platform Status dashboard, Baseline status widget and more! Take a look back on Baseline in 2024.
ruby-align is Baseline Newly available | Articles
ruby-align is now part of Baseline
URLPattern is now Baseline Newly available | Blog
URLPattern became Baseline Newly available as of September 15, 2025.
Visual Studio Code now supports Baseline | Blog
Learn about the new Baseline support in VS Code
Baseline 2023 | Blog
Learn about the Baseline integration on Can I Use, and the features that are now part of Baseline 2023.
Towards a better responsiveness metric | Blog
Learn about our thoughts on measuring responsiveness and give us feedback.
Browserslist now supports Baseline | Blog
Browserslist has added support for Baseline queries. Find out what that could mean for your developer workflow.
Build local and offline-capable chatbots | Articles
Compat 2021 Holiday Update: presents for developers before the end of the year | Blog
Compat 2021 mid-year update: Flex gap everywhere | Blog
Compression Streams are now supported on all browsers | Blog
The contenteditable "plaintext-only" attribute value combination is now Baseline Newly available | Blog
The contenteditable "plaintext-only" attribute value combination is now Baseline Newly available. Making an element contenteditable but plaintext-only has advantages over using a textarea in some cases highlighted in this post.
Evolving the CLS metric
Plans for improving the CLS metric to be more fair to long-lived pages.
Google I/O 2022: That's a wrap! | Blog
A roundup of the announcements from Google I/O this year.
Interaction to Next Paint is officially a Core Web Vital 🚀 | Blog
Interaction to Next Paint is now a stable Core Web Vital metric, replacing First Input Delay.
Interaction to Next Paint becomes a Core Web Vital on March 12 | Blog
Interaction to Next Paint will officially become a Core Web Vital and will replace First Input Delay on March 12
Interop 2022: End of year update | Blog
Discover just some of the features that have become interoperable during 2022.
Celebrate a more interoperable web with Interop 2023 | Blog
Discover the end of year results, plus some of the features that have become interoperable during 2023.