At W3Schools you will find complete references about HTML elements, attributes, events, color names, entities, character-sets, URL encoding, language codes, HTTP messages, browser support, and more:

W3C Working Group publishes "HTML5 differences from HTML 4", [130] which provides a complete outline of additions, removals and changes between HTML5 and HTML4.

Dec 22, 2025 · HTML (HyperText Markup Language) is the most basic building block of the Web. It defines the meaning and structure of web content. Other technologies besides HTML are generally …

Jul 27, 2025 · HTML (HyperText Markup Language) is the standard language used to create and design web pages. It defines the structure and layout of a webpage using a series of elements and tags. …

Learn about HTML5 with our comprehensive tutorials. Increase your understanding of the latest tags, attributes, multimedia, and other features, enabling you to build modern and interactive web pages to …

Dec 4, 2025 · HTML5, the latest version of Hypertext Markup Language, has revolutionized web development and brought about significant improvements in website structure, multimedia …

HTML5 is not just a new version of HTML language enriched with new elements and attributes, but a set of technologies for building more diverse and powerful web sites and applications.