Introduction to XHTML

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.

W3Schools Has Converted To XHTML

W3Schools was completely rewritten to XHTML 1.0 in 1999.

A click on this symbol: validates the XHTML part of this page.

A click on this symbol: validates the CSS part of this page.

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

Make your web applications look like a million bucks

Most web applications today use boring methods to present data to their viewers using grids or simple HTML tables. FusionCharts induces "life" into the web applications by converting monotonous data into lively charts, gauges & maps. FusionCharts works with all technologies like ASP, ASP.NET, PHP, ColdFusion, Ruby on Rails, JSP, HTML pages etc. and connects to any database to render animated & interactive charts. It takes less than 15 minutes and no expertise whatsoever to build your first chart and just a glance of it to captivate your audience. This fact is endorsed by our 12,000 customers and 150,000 users which include a majority of the Fortune 500 companies. And yeah, your applications could look like a million bucks by spending just $69. So go ahead, download your copy of FusionCharts and start "wow-ing" your customers now!

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).