Introduction to XHTML

XHTML is a stricter and cleaner version of HTML.

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What You Should Already Know

Before you continue you should have a basic understanding of the following:

• HTML and the basics of building web pages

If you want to study HTML first, please read our HTML tutorial.

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What Is XHTML?

• XHTML stands for EXtensible HyperText Markup Language
• XHTML is almost identical to HTML 4.01
• XHTML is a stricter and cleaner version of HTML
• XHTML is HTML defined as an XML application
• XHTML is a W3C Recommendation

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XHTML is a W3C Recommendation

XHTML 1.0 became a W3C Recommendation January 26, 2000.
Stay updated with the latest W3C recommendations in our W3C tutorial.

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All Browsers Support XHTML

XHTML is compatible with HTML 4.01. All browsers support XHTML.