WebWhat is XHTML? XHTML stands for EXtensible HyperText Markup Language; XHTML is a stricter, more XML-based version of HTML; XHTML is HTML defined as an XML application; XHTML is supported by all major browsers
WebXHTML 1.0 became a World Wide Web Consortium (W3C) recommendation on 26 January 2000. XHTML 1.1 became a W3C recommendation on 31 May 2001. XHTML is now referred to as "the XML syntax for HTML" and being developed as an XML adaptation of the HTML living standard.