The W3C Technical Architecture Group (TAG)
Introduction to the TAG
The TAG is a special working group within the W3C, chartered (under the W3C Process Document) with stewardship
of the Web architecture.
As outlined in its charter, there
are three aspects to this mission:
- to document and build consensus around principles of Web architecture and
to interpret and clarify these principles when necessary;
- to resolve issues involving general Web architecture brought to the
- to help coordinate cross-technology architecture developments inside and
See the TAG current work page for details of how to work with it, upcoming events, and its publications.
Who are the TAG?
Photo Credit: Daniel Appelquist
The TAG in London, July 2022
Left to right: Sangwhan Moon, Rossen Atanassov, Theresa O'Connor, Hadley Beeman, Tim Berners-Lee, Lea Verou, Yves Lafon, Daniel Appelquist, Amy Guy
The TAG has 10 participants (6 elected, 3
appointed, and 1 chair) plus a staff contact:
- Daniel Appelquist (W3C Invited Expert) (Chair)4
- Rossen Atanassov (Microsoft Corporation)1
- Hadley Beeman (W3C Invited Expert)3
- Tim Berners-Lee (W3C) (Emeritus Chair)5
- Amy Guy (Digital Bazaar)2
- Yves Lafon (W3C) (staff contact)
- Peter Linss (W3C Invited Expert) (Chair)4
- Dapeng (Max) Liu (Alibaba Group)1
- Sangwhan Moon (Google)1
- Theresa O'Connor (Apple, Inc.)2
- Lea Verou (W3C Invited Expert)2
The TAG is partly elected by the Advisory Committee and partly appointed by
the Director. Each year the nomination period typically starts 1 November the
election typically starts 1 December.
The TAG follows the guidelines for communicating as a member of a W3C elected body.