XHTML Tutorial

XHTML is a stricter and cleaner version of HTML. In this tutorial you will learn the difference between HTML and XHTML. We will also show you how W3Schools.com was converted into XHTML. Start learning XHTML now!

XHTML Quiz Test

Test your XHTML skills at W3Schools!

Start the XHTML Quiz!

XHTML References

At W3Schools you will find complete references about tags, standard attributes, standard events, colornames, entities, character-sets, URL encoding, language codes, HTTP messages, and more.

XHTML 1.0 Reference

W3Schools Exam

W3Schools' Online Certification Program The perfect solution for professionals who need to balance work, family, and career building. More than 4000 certificates already issued!

The HTML Certificate documents your knowledge of HTML, XHTML, and CSS.

The JavaScript Certificate documents your knowledge of JavaScript and HTML DOM.

The XML Certificate documents your knowledge of XML, XML DOM and XSLT.

The ASP Certificate documents your knowledge of ASP, SQL, and ADO.

The PHP Certificate documents your knowledge of PHP and SQL (MySQL).

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