HTML History
HTML 1.0 Unpublished specification. DTD developed by Tim Berners-Lee (CERN).
HTML 2.0 Spec. based on innovations from NCSA (forms and inline images!)
HTML 3.0 Proposed spec. (renamed from HTML+). Very comprehensive Failed to complete IETF standardisation Little implementation experience
Proprietary Introduction of proprietary HTML elements by Netscape and Microsoft
HTML 3.2 Spec. based on description of mainstream innovations in marketplace
HTML 4.0 Current recommendation