Introduction To XHTML

XHTML is a new, stricter and cleaner version of HTML.

What Is XHTML?

• XHTML stands for EXtensible HyperText Markup Language

• XHTML is aimed to replace HTML

• 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

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

• The basics of XML

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

XHTML Is The Official HTML Standard

A W3C Recommendation means that the specification is stable, that it has been reviewed by the W3C membership, and that the specification is now a Web standard.

W3C defines XHTML as the latest version of HTML. XHTML will gradually replace HTML.

All New Browsers Support XHTML

XHTML is compatible with HTML 4.01.

All new browsers have support for XHTML.

About This Tutorial

The next chapters of this tutorial will explain:

• Why you should use XHTML

• The syntax of XHTML

• How W3Schools was converted to XHTML

• XHTML validation

• XHTML modularization