What is XHTML?_Basic Tutorial

• XHTML is the English abbreviation of EXtensible HyperText Markup Language, which is an extensible hypertext markup language.
• XHTML language is a markup language that does not require editing and can be executed directly by the browser.
• XHTML is used to replace HTML and was released by w3c in 2000.
• XHTML is an enhanced HTML, its scalability and flexibility will adapt to more needs of future network applications.
• XHTML is an XML-based application.
• XHTML is simpler and tighter.
• XHTML can also be said to be an upgraded version of HTML. (w3c describes it as 'HTML 4.01')

• Otherwise XHTML is basically the same as HTML.
• See: w3c's XHTML and HTML FAQ.http://www.w3.org/MarkUp/2004 /xhtml-faq
• Verify the correctness of XHTML on the w3c (www.w3.org) website http://validator.w3.org/
• XHTML is case-sensitive, HTML and html are different. Standard XHTML tags should be lowercase.