XHTML is a stricter and cleaner version of HTML.

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.

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

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.

All Browsers Support XHTML

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