HTML

HTML (hypertext markup language) originally was a SGML based markup language. HTML5 or HTML Next or HTML a living standard is not based on SGML any more. XHTML is HTML redeveloped using the stricter XML rules.

Identifiers

• File extension: .HTML, .HTM
• MIME type (Internet media type): text/html

Resources

• W3C specifications:
  • HTML (1) specification
  • HTML 2.0 specification (see also the RFC)
  • HTML 3.2 specification
  • HTML 4.01 specification
  • HTML5 working draft
  • XHTML 1.0 specification
  • XHTML 1.1 specification
• Web Hypertext Application Technology Working Group (WHATWG) specifications:
  • The WHATWG Wiki
  • HTML Living Standard
  • Blog post describing the background information of the living standard
  • List of all WHATWG specifications
• W3C Web History Community Group