Wikimedia Foundation

The Wikimedia Foundation is a nonprofit organization that supports and hosts Wikipedia and other free knowledge projects.

• 🏠 Website
  • wikimediafoundation.org #269,144
• 💼 Legal name
  • Wikimedia Foundation, Inc.
• 🏤 Headquarters
  • San Francisco, California, United States
• 🗓️ Founded
  • 20 June 2003 (23 years ago)
• 🔗 Links
  • Wikipedia

⚡ Technologies

We track 3 technologies owned or developed by Wikimedia Foundation, Inc. that are used across the web.

#	Technology	Reach The percentage of websites using the technology out of the total number of sites analyzed.
1	Wikipedia Page A Wikipedia page linked from the "sameAs" schema tag.	0.3%
2	MediaWiki An open-source wiki software written in PHP and originally developed for Wikipedia, designed for collaborative content creation, version control, and large-scale knowledge management. FreeOpen source	0.06%
3	Codex The official design system for Wikimedia that provides a unified toolkit and guidelines for user interface design.	0.02%

🗃️ About This Data

• We evaluate the popularity of technologies based on the number of websites where we detect their usage.
• Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
• This report is based on the analysis of 4,046,631 websites.
• Statistics were last calculated on November 12, 2026.
• For more details, see our methodology and disclaimer.