The most significant distinction between the two markup dialects is that Hypertext Markup Language, or Html, is a provision of Sgml (Standard Generalized Markup Language), and permits a creator to discard certain tags and use property minimization. The Extensible Hypertext Markup Language, or Xhtml, is a requisition of Xml (Extensible Markup Language). It doesn't allow the oversight of any tags or the utilization of quality minimization