Harvard Extension School
CSCI E-12 Fundamentals of Web Site Development | Fall 2019

## Markup Evolution and Standards

### Markup Standards

- HTML5
  - HTML 5 Living Standard (WHATWG)
    (work on-going)
  - HTML5 (W3C) Recommendation
- XHTML 1.0, a reformulation of HTML 4.01 into XML 1.0
  January 2000, revised August 2002
- HTML 4.01, December 1999
- HTML 4.0, December 1997
- HTML 3.2, January 1997
- HTML 2.0, November 1995

Copyright © David Heitmeyer