W3CW3C Internationalization (I18n) Activity: Making the World Wide Web truly world wide!

Internationalization Tag Set Interest Group
Home Page

The ITS Interest Group was closed as of 30 Jun 2019.
Its mailing list continues under the I18n Interest Group. Related documents are in maintenance mode, under the i18n Working Group.
This page is left here as a historical document, and is not maintained.

Key information: Mission - News - Examples/Implementations/Events - Work in progress - Charter - Meetings - Archive- How to join - Liaisons


Mission: To foster a community of users of the Internationalization Tag Set (ITS) Version 1.0 and ITS 2.0, by promoting its adoption within and outside of W3C, and gathering information on its further development.

The Internationalization Tag Set Interest Group is part of the W3C Internationalization Activity.

For more details, see the Interest Group Charter. Note that the scope of the charter currently is only ITS 1.0. An update to include ITS 2.0 is under consideration.

How to Join


See the IG Wiki for further information and a list of previous meetings held before work on ITS 2.0 started.

ITS Documents

The following documents have been developed by the Internationalization Tag Set (ITS) Working Group.

The following documents have been developed by the MultilingualWeb-LT Working Group.


Work items

See the ITS IG Wiki for more information.

The complete list of work items is available in the Interest Group charter. Details of current work items will be entered in this section later.


Among others, the Interest Group is collaborating with the following external entities:

Chair: Phil Ritchie
Staff contact: Felix Sasaki (fsasaki at w3 dot org)