[1][2] Initially released in 1998, it derives its name from the World Wide Web but is not affiliated with the W3 Consortium.

On the site, source code examples with explanations are shown free of charge in English, most of which can also be edited and executed interactively in a live editor.

In addition to the basics, application-related implementation options and examples, as well as a focus on individual elements of the programming language (so-called "references") are documented.

In addition, there is a YouTube channel, which takes up and explains certain topics in web development, and an Internet forum.

Technologies such as HTML, CSS, JavaScript, JSON, C, C++, C#, Java, PHP, React, AngularJS, SQL, Python, Django, Bootstrap, Node.js, jQuery, XQuery, Ajax, and XML are all supported.