HTML and XHTML 2 working groups were formed by W3C in March 2007. ... Work stops on the XHTML language, but W3C still plans an XML formulation of HTML5, to be done by the HTML working group.

HTML 4.01 -- released in 1999 -- largely the same as 4.0. HTML 5 -- released in 2014 -- came after a long break in updates because the organization that developed it -- W3C -- was focusing on another, ...

AJAX uses JavaScript for dynamic content display, XHTML for content and XML to receive server data. In addition, it combines many other programming tools, such as the following: cascading style sheets ...