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  1. HTML Versus XHTML - W3Schools

    XHTML was developed to make HTML more extensible and flexible to work with other data formats (such as XML). In addition, browsers ignore errors in HTML pages, and try to display the website …

  2. XHTML - Wikipedia

    Extensible HyperText Markup Language (XHTML) is part of the family of XML markup languages which mirrors or extends versions of the widely used HyperText Markup Language (HTML), the language in …

  3. XHTML Introduction - GeeksforGeeks

    Jul 11, 2025 · XHTML or EXtensible HyperText Markup Language is a mix of HTML and XML, very similar to HTML but stricter. It's like a rulebook for creating web pages that browsers easily understand.

  4. XHTML - W3docs

    XHTML (Extensible HyperText Markup Language), developed by the World Wide Web Consortium (W3C) in 2000, is an extended version of the popular HTML. It is the same HTML but defined as an …

  5. XHTML Tutorial

    This tutorial provides a basic understanding of XHTML, its syntax and attributes with rules for using the same along with their practical examples. It also describes Doctypes, attributes and events of XHTML.

  6. XHTML - Glossary | MDN

    Nov 13, 2025 · XHTML is a term that was historically used to describe HTML documents written to conform with XML syntax rules.

  7. XHTML™ 1.0 The Extensible HyperText Markup Language (Second …

    1. What is XHTML? This section is informative. XHTML is a family of current and future document types and modules that reproduce, subset, and extend HTML 4 [HTML4]. XHTML family document types …

  8. Practical guide to XHTML - Nayuki

    XHTML is a modified version of HTML that obeys XML syntax strictly. It retains all the good features of HTML, requires the rejection of documents with syntax errors, and eliminates unnecessarily …

  9. XHTML Explained | XHTML tutorial with code examples

    Nov 17, 2025 · Learn XHTML basics including DTD declarations, XML syntax rules, coding practices, and how to migrate from HTML to XHTML for better web standards compliance.

  10. What Is XHTML? - Website Planet

    Sep 17, 2025 · Fundamentally, it’s a markup language used to structure web pages, but unlike traditional HTML, XHTML demands a precise syntax. This means every tag must be properly closed, …