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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, …

  2. XHTML - Wikipedia

    Extensible HyperText Markup Language (XHTML) is part of the family of XML markup languages which mirrors or extends versions …

  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 …

  4. XHTML - W3docs

    XHTML (Extensible HyperText Markup Language), developed by the World Wide Web Consortium (W3C) in 2000, is an extended …

  5. XHTML Tutorial

    This tutorial provides a basic understanding of XHTML, its syntax and attributes with rules for using the same along with their …

  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 …

    Jan 26, 2000 · 1. What is XHTML? This section is informative. XHTML is a family of current and future document types and modules …

  8. XHTML 1.0 - What is XHTML? - World Wide Web Consortium (W3C)

    XHTML is a family of current and future document types and modules that reproduce, subset, and extend HTML 4 [HTML4]. XHTML …

  9. XHTML - Introduction - Online Tutorials Library

    XHTML was developed by World Wide Web Consortium (W3C) to help web developers make the transition from HTML to XML. By …

  10. HTML and XHTML - w3schools.am

    Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, …