The one-stop place to find the information and tools you need
to help you learn, build, and move the Web forward.

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Learn

In the comfort of your browser, learn Front-End Web technologies such as HTML, CSS, etc. directly from the people who create them.

Tools

Lead your code to its full potential with great and open source tools.

Get Involved

Get involved in the creation of Web standards. Yes, that's where cool people hang out.

web-platform-tests

W3C-coordinated effort to build a cross-browser testsuite for the majority of the web platform

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W3Cx course: Introduction to Web Authentication

Designed in collaboration with Yubico, “Introduction to Web Authentication” is targeted to Web developers willing to dig deep into modern Web Authentication to secure access to resources and applications! Learners explore basic concepts such as registration and authentication, and how WebAuthn thwarts modern attacks such as phishing to ensure security and privacy.

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Introduction to Web Accessibility image

W3Cx course: Introduction to Web Accessibility

This course, “Introduction to Web Accessibility”, is designed for technical and non-technical audiences, including developers, designers, content authors, project managers, people with disabilities, and others. Watch the short teaser video for more information about the course, and enroll soon!

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W3C Front-End Web Developer Professional Certificate

Learn directly from W3C and master the foundational programming languages for Web development -- HTML5, CSS and JavaScript -- with the W3C "Front-End Web Developer" (FEWD) Professional Certificate program which consists in 5 courses. Gain skills in one of the fastest growing careers!

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Introducing W3C Friends

We are making it easy for you to join as Friends, take advantage of our offerings, and donate to support us in conducting the activities that fulfill the W3C's mission.

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