Free xHTML Resources
XHTML Tutorials
These tutorials are about XHTML, the Extensible Hypertext Markup Language.
XHTML Introduction
This site has an introduction to xhtml including the use of doctypes.
XHTML School
Typically comprehensive site from the people at W3Schools that includes a complete XHTML 1.0 reference.
XHTML Tutorial
This tutorial covers the basics of XHTML. Before reading this tutorial you should already be familiar with HTML and XML.
XHTML Tutorial
This tutorial explains how XHTML differs from HTML and how you can update your pages to support it.
XHTML Overview
Webmonkey xhtml tutorial.
XHTML Guru
Introduction, sample code and book reviews.
XHTML Explained
A quick run down of what XHTML is, its benefits, how it can be used, and what it looks like.
Converting HTML documents to XHTML
This tutorial deals with the changes to be made to convert HTML documents to valid XHTML.
learning XHTML
This is designed to be a rough and ready tutorial to get the beginner up and running as quickly as possible.
XHTML tutorial
XHTML tutorial at HTML Goodies.
XHTML Tutorial
This XHTML tutorial will show you how to code your pages using XHTML. (assumes a knowledge of html)
Fast and Easy XHTML
Short article about converting pages from html to xhtml.
W3C XHTML 1.0 Recommendation
This specification defines XHTML 1.0, a reformulation of HTML 4 as an XML 1.0 application, and three DTDs corresponding to the ones defined by HTML 4.