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.

W3Schools offers free online tutorials and references on web development languages such as HTML, CSS, JavaScript, PHP, SQL, and JQuery.

In October 2012, W3C convened a community of major web players and publishers to establish a MediaWiki wiki that seeks to document open web standards called the WebPlatform and …

Nov 18, 2025 · The World Wide Web Consortium (W3C) is an international nonprofit organization that sets the standards governing the development of the internet.

Sep 15, 2025 · The World Wide Web Consortium, commonly called W3C, is an international organization that sets standards for the development and design of the internet. The goal of these …

As an alternative you can also try our non-DTD-based validator. Interested in understanding what new technologies are coming out of W3C? Follow @w3cdevs on Mastodon to keep track of what the …

The World Wide Web Consortium (W3C) is an international community that develops open technical standards and guidelines to ensure that the Web remains open, accessible, and interoperable for...

W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more.

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 …

Learn PHP with W3Schools, a comprehensive tutorial featuring examples and an online editor to help you master PHP programming.