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W3C
The World Wide Web Consortium (W3C) develops standards and guidelines to help everyone build a web based on the principles of accessibility, internationalization, privacy and security.
The W3C Markup Validation Service
Note: file upload may not work with Internet Explorer on some versions of Windows XP Service Pack 2, see our information page on the W3C QA Website. Validate by direct input
Web Standards | W3C - World Wide Web Consortium (W3C)
W3C web standards are optimized for interoperability, security, privacy, web accessibility, and internationalization. W3C's proven web standards process is based on fairness, openness, royalty-free, we make the web work, for everyone.
About us | W3C - World Wide Web Consortium (W3C)
The World Wide Web Consortium (W3C) is an international public-interest non-profit organization where Member organizations, a full-time staff, and the public work together to develop Web standards. Founded by Web inventor Tim Berners-Lee and led by President & CEO Seth Dobbs and a Board of Directors , the Web Consortium's mission is to lead the ...
Our mission | W3C - World Wide Web Consortium (W3C)
Learn who W3C is, our values and the principles upon which we conduct our mission to led the Web to its full potential.
Developers | W3C - World Wide Web Consortium (W3C)
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!
W3C Web Accessibility Initiative Home - World Wide Web …
W3C. The World Wide Web Consortium (W3C) develops international standards for the Web: HTML, CSS, and many more.
Get involved | W3C - World Wide Web Consortium (W3C)
W3C uses a number of online tools for work, education, and outreach. The public may learn from curated resources and our online training, or participate in W3C via discussion lists, blogs, translations, and other means.
Why join W3C | W3C - World Wide Web Consortium (W3C)
Join W3C to drive the development of web standards and work with technology leaders in a transparent, open, vendor-neutral forum. W3C members collaboratively create royalty-free standards that make the web work for everyone.
Web标准 | W3C - World Wide Web Consortium (W3C)
W3C发布的推荐标准被视为Web标准。 W3C根据W3C标准化流程文档制定技术规范,该流程旨在最大限度地达成共识、确保质量,并获得W3C会员及更广泛社区的认可和采纳。 W3C制定的Web标准在互操作性、安全性、隐私保护、Web无障碍和国际化层面进行了优化。