Developers
The one-stop place to find the information and tools you need to help you learn, build, and move the Web forward.
Accessibility Tutorials
Develop web content that is accessible to people with disabilities, and that provides a better user experience for everyone.
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
Learn
In the comfort of your browser, learn Front-End Web technologies such as HTML, CSS, etc. directly from the people who create them.
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 shortteaser video for more information about the course, andenroll soon!
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!