W3C - Blog
The W3C blog is for in-depth Web standards topics and educational materials.
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Latest posts
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Historical www-talk archives made complete
W3C's archives of the www-talk mailing list are now complete, back to its creation in October 1991. This post lists some of the more interesting messages in the early development of the Web.
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W3C launches second pilot of program to support Open Source projects
In this blog post, Ian Jacobs, Strategy Team, introduces the second pilot of the W3C Open Source program: a polyfill for the WebMCP API. WebMCP is a new JavaScript interface that allows web developers to expose their web application functionality as “tools”.
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Web of Things Working Group recharter: New momentum for IoT interoperability
The Web of Things (WoT) Working Group rechartered for two years to improve IoT interoperability and address physical AI use cases. WoT counteracts fragmentation in IoT by providing building blocks that enable seamless device integration across smart buildings, industrial…
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Improved thread navigation in W3C's mailing list archives
A new feature is available in W3C's mailing list archives, aiming to make it easier to read and navigate message threads.
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Introducing group activity pages
W3C groups now have an Activity page that shows, month by month, their charters, publications, meetings, participants and GitHub work in one place. The pages are in beta, and we would like your feedback.
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We’re on a roll - EPUB 3.4 is coming
The Publishing Maintenance Working Group at W3C has been quietly working on yet another update for the EPUB3 standard, and we're excited to share what we have been up to. Our goal is to not only maintain the EPUB standard, but do our best to keep it in line with the needs of…
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What’s new in the W3C Website Design System
A significant update to the W3C Website Design System was published at the end of September 2026. Here’s what changed and why.
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W3C Newsletter - September 2026
W3C President and Interim CEO Dominique Hazaël-Massieux shares timely and notable highlights and information selected from the busy and prolific work last month at W3C.
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Recap of the web & AI international standards seminar: generative UI and WebSkill
Hosted by the W3C Shenzhen Representative Office as part of the 2026 CCF Standards Technical Conference, this seminar brought together industry experts to discuss emerging technologies and standardization challenges related to generative UI, WebSkill, and web AI.
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Crafting WCAG 3 for more accessible user experiences
In this post, W3C's Web Accessibility Initiative (WAI) Director Shawn Lawton Henry covers some of the stakes and challenges in developing W3C Accessibility Guidelines (WCAG) 3 that is under active development.
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2026 Climate Weeks: W3C and Web Sustainability
W3C’s Sustainable Web Interest Group shares updates about Web Sustainability Guidelines and Impact Ratings in time for Climate Week, with changes demonstrating impacts on People, Planet, and Prosperity and reflecting W3C’s horizontal review process.
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W3C IRC bots now open source
Two of W3C's IRC bots, RRSAgent and Zakim, are now open source. These bots help facilitate meetings coordinated on IRC, helping with chat logs, meeting minutes, agenda tracking and speaker queues.
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W3C, threat modeling, and the CRA: a report from GDC 2026
At GDC 2026, W3C Security Interest Group member Giovanni Corti shared how threat modeling was integrated into the revision of ETSI EN 304 617, the draft harmonized standard for browser cybersecurity under the EU Cyber Resilience Act, referencing the W3C Threat Modeling Guide and…
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W3C launches first pilot of program to support Open Source projects
In this blog post, Ian Jacobs, Strategy Team, introduces the first pilot of a program allowing Open Source projects to mature within an ecosystem seeking to build a coherent open platform through processes and IPR policies designed to support interoperability, quality, and W3C…
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A compilation of W3C in Japan's 30th anniversary events
2026 marks the 30th anniversary of the establishment of W3C in Japan. As part of these commemorative activities, W3C Japan held an event for W3C members in May, an exhibition for the general public in June and an event early September for W3C members and the web developer…
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Making digital identity work across the web: GDC 2026
W3C Team and Members will present at Global Digital Collaboration Conference (GDC 26) which will bring together governments, standards organizations, open-source communities, the private sector, and civil society with a focus on digital identity and digital wallets