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Standards and best practices for the Multilingual Web


The MultilingualWeb initiative is concerned with standards and best practices that support the creation, localization and use of multilingual web-based information.

Through W3C workshops open to the public and various communication channels, it spreads information about what standards and best practices currently exist, and what gaps need to be filled. The news aggregation below and the social media channels linked to from this page also provide information about standards-related developments that affect the multilingual Web.

The MultilingualWeb represents a rallying point for initiatives concerned with improving internationalization and localization of the Web. Various European Commission projects have been run in association with the MultilingualWeb brand, and have provided funding and support for additional workshops.



  • RT @webi18n: New article: "Approaches to full justification" – high level summary of how text justify works in various scripts…...
    2017-04-03 16:09:39 UTC
  • RT @webi18n: Talk slides: JEPA seminar, Next steps for Japanese script support (also available in Chinese as 日文支持的下一步工作)…...
    2017-04-03 16:08:46 UTC
  • For review: Approaches to Full Justification Please send any comments via github.
    2017-03-13 17:53:50 UTC
  • Want to author vertical Chinese, Japanese, Korean and Mongolian text? See for guidance w br…
    2017-03-13 15:47:21 UTC
  • 2 doc snapshots published as WG Notes: Reqs for ITS 2.0 & Metadata for Multilingual Web-Usage Scenarios and Impls
    2017-03-06 15:55:28 UTC
  • Sorry for the lull in tweets, due to a technical issue that went unnoticed. Service will resume shortly....
    2017-03-06 14:29:39 UTC
  • First Public Working Draft: Ethiopic Layout Requirements: The Internationalization Working Group has publishe... []
    2016-09-08 20:10:31 UTC
  • New version of Internationalization Checker released: The W3C Internationalization Checker is a free service ... []
    2016-09-02 15:46:27 UTC
  • W3C HTML5 Validator enhanced with language detection functionality: The W3C HTML5 Validator has been enhanced... []
    2016-07-13 17:15:10 UTC
  • For review: Time & date, Essential concepts: A draft of a new article, Time & date, Essential concepts is out... []
    2016-06-17 10:19:58 UTC


W3C Workshop
Data, content and services for the Multilingual Web

29 April 2015, Riga, Latvia

New! Report published

2015 Riga Workshop

Workshop Report with slides, video, IRC notes

See reports, slides, video clips, blogs, photos, CFP, etc. for past workshops

i18n Checker Tool

Get information about your web pages and check them for internationalization issues using the i18n Checker.


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Join the LinkedIn group.

Find out about the W3C Internationalization Activity.

Icons from Komodo Media and Paul Robert Lloyd

Project funding

The LIDER project is funded by the European Commission through the FP7 Grant Agreement No. 610782.

The MultilingualWeb-LT project is funded by the European Commission through the FP7 Grant Agreement No. 287815 (project name LT-Web).

The MultilingualWeb project, April 2010-March 2012, was funded by the European Commission through the ICT PSP Grant Agreement No. 250500, and as part of the Competitiveness and Innovation Framework Programme.