Extensible HyperText Markup Language, better known as XHTML, is one of the latest and greatest technologies to hit the web! Developed by the World Wide Web Consortium (W3C) and released in January 2000, XHTML proves to be a revolutionary internet standard in the future of web development. Here at WebDevTutorial, I will provide a general tutorial explaining what XHTML is and how to use it to your advantage.