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.

2025年12月13日 · HTML5 is the fifth version of Hypertext Markup Language (HTML), a standard language used to structure webpages. It defines how content on a webpage should be structured …

2026年3月25日 · 1.1 Is this HTML5? This specification is like no other — it has been processed with you, the humble web developer, in mind. The focus of this specification is readability and ease of …

HTML5 is the latest and most enhanced version of HTML. Technically, HTML is not a programming language, but rather a markup language. In this tutorial, we will discuss the features of HTML5 and …

2025年12月22日 · 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 …

It attempts to solve issues found in previous iterations of HTML and addresses the needs of Web Applications, an area previously not adequately covered by HTML. Here are several resources worth …

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

This HTML course for web developers provides a solid overview for developers, from novice to expert level HTML.

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 …