Standards used for Web Development

Three Tables

Our first table provides a reference to the version of the standard currently in effect. The second table provides references to previous versions of the standard. And the third table provides references to standards currently in development.



Table One: Current Standards

The W3C standards that have a recommendation status (REC) and significantly incorporated into major browsers are in this table. Some standard versions such as CSS 2.1 are basicly completed but browser support is still lacking.



Current: References to Web Standards
Standard/Version
with Link
Status
Issue Date
Summary Previous Version
Footnotes: Updated on February 2008.
CSS 2 Specification
Level 2
Status: REC
May-1998
CSS2 is compatible with CSS1. It allows for separating the presentation style of documents from the content of documents. CSS 1.0
DOM Level 2 Core Specification
Level 2
Status: REC
Nov-2000
DOM is a platform and language neutral interface that allows programs and scripts to dynamically access and update the content and structure of documents. DOM 1
HTML 4.01 Specification Status: REC
Dec 1999
This specification defines the HyperText Markup Language. HTML is the publishing language of the World Wide Web. HTML 4.0
HTML 3.2
HTML 2.0
XHTML 1.0
Level 1 (Second Edition)
Status: REC
August 2002
XHTML 1.0 is a Reformulation of HTML 4 and written as a XML application. It is based upon the module framework and modules defined in Modularization of XHTML. None
XML 1.0
Level 1 (Fourth Edition)
Status: REC
August 2006
XML is a meta language derived from SGML that allows one to design a markup language. XML 1.0 was first recommended in February 1998 with four subsequent editions. XML
ECMA-262/ECMAScript - 3rd Edition 3rd Edition
Dec. 1999
ECMAScript is a browser independent, vendor neutral, general purpose scripting language. The 3rd edition standardized the switch statement, regular expressions and error handling. 2nd Edition
1st Edition
Unicode 5.0.0 July 14, 2006 1,369 new character assignments were made to the Unicode Standard, Version 5.0. Unicode 4.1
Unicode 4.0
Unicode 3.2
Unicode 3.1
Unicode 3.0


Table Two: Superceded Standards



Superceded: References to Web Standards
Standard/Version
and Link
Status
Issue Date
Summary Previous Version
Footnotes: Updated on February 2008.
CSS 1 Specification
Level 1
Status: REC
Jan 1996
CSS1 is a simple style sheet mechanism that allows authors and readers to attach style to HTML documents. One of the fundamental features of CSS is that style sheets cascade. None
DOM Level 1 Specification
Level 1
Status: REC
Oct-1998
DOM is a platform and language neutral interface that allows programs and scripts to dynamically access and update the content and structure of documents. None
HTML 4.0 Specification Status: REC
Apr. 1998
HTML 4.0 supports more multimedia options, scripting languages, style sheets, better printing facilities, and documents that are more accessible to users with disabilities. HTML 3.2
HTML 2.0
HTML 3.2 Specification Status: REC
Jan. 1997
HTML 3.2 added widely-deployed features such as tables, applets, text-flow around images, superscripts and subscripts, while providing backwards compatibility with the existing HTML 2.0 Standard. HTML 2.0
HTML 2.0 Specification Status: REC
Nov. 1995
HTML has been in use by the World Wide Web global information initiative since 1990. The HTML 2.0 specification roughly corresponds to the capabilities of HTML in common use prior to June 1994. None
XHTML None XHTML 1.0 was first recommended level. None
XML Status: REC
Dec 1997
The Extensible Markup Language (XML) is a simple dialect of SGML. The goal is to enable generic SGML to be served, received, and processed on the Web in the way that is now possible with HTML. None
ECMA-262/ECMAScript - 2nd Edition 2nd Edition
1998
A maintenance edition of the ECMA-262 standard with no new features but clarifications of the original edition standard. 1st Edition
ECMA-262/ECMAScript - 1st Edition 1st Edition
1997
Standardized the basic features of JavaScript 1.1. It also included some new features but did not standardize the switch statement or give support to regular expressions. none
Unicode 4.1.0 March 13, 2005 An addition of 1273 new characters to the standard. Unicode 4.0
Unicode 3.2
Unicode 3.1
Unicode 3.0


Table Three: Future Standards



Future: References to Web Standards
Standard/Version
and Link
Status
Issue Date
Summary Previous Versions
Footnotes: Updated on February 2008.
CSS 2.1 Specification
Level 2 Revision 1
Status: CR
July 2007
Cascading Style Sheets (CSS) is a simple mechanism for adding style (e.g. fonts, colors, spacing) to Web documents. Web authoring and site maintenance can be simplified by separating the presentation style of documents from the content of documents. CSS 2.0
CSS 1.0
CSS 3 Status: WD
Ongoing
Under Construction CSS 2.1
CSS 2.0
CSS 1.0
DOM Level 3 Specification
Level 3
Status: REC
April-2004
Although DOM 3 is W3C recommended, most browsers are still not compliant. DOM 2
DOM 1
HTML None The future of HTML is XHTML. HTML 4.1
HTML 4.0
HTML 3.2
HTML 2.0
XHTML 1.1
Level 1 Revision 1
Status: WD
February 2007
A general purpose markup language without presentation elements. XHTML 1.0
XHTML 2.0
Level 2
Status: WD
July 2006
A general purpose markup language without presentation elements. XHTML 1.1
XHTML 1.0
ECMA-262/ECMAScript - 4th Edition 4th Edition Reported to be in conformance with JavaScript 2.0. 3rd Edition
2nd Edition
1st Edition


Code Legend

W3C indicates the stability of specifications by a status code. The CSS working group and most other groups use the following, from least to most stable:

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