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Logo of MediaWiki
Changes • WikiNode • About • Documentation
Main topic: Wiki Engine
Founded by: Magnus Manske
Lee Daniel Crocker
(1st official version)
Owner / CEO: Wikimedia Foundation, Inc. (owner)
Interface language: Multilingual
Programming language: PHP
Software license: GNU General Public License
Status: Vibrant

MediaWiki (MW) software is the wiki engine software package that runs this WikiIndex wiki site. Originally designed and developed for Wikipedia in 2002 (though not the original Wikipedia wiki engine from 2001 – that was the Perl-based UseMod Wiki); MediaWiki is now used by the most active and largest wikis, it is also used extensively, and exclusively by other Wikimedia Foundation (WMF) projects; along with many, many other independent wikis, and commercial wiki farms.

The initial 'pre-version' (known as 'Phase II software' in Wikipedia circles) was created by Magnus Manske, and used on all available Wikipedia versions from 25 January 2002. A 'Phase III software' became the first official MediaWiki, and was a substantial re-write by Lee Daniel Crocker; this was first used on the English Wikipedia on 20 July 2002. MediaWiki is compiled and written in PHP, and is probably the most widely deployed wiki engine software. Some would argue that a wiki should be more simplistic, with fewer features; but MediaWikis' design, and its success speaks for itself. MediaWiki has spawned many clones, or 'forks', the most notable being Wikia. MediaWiki is a highly developed, feature-rich software that is released for free under version 2 of the GNU General Public License (GNU GPL v2), and requires either MySQL 5.0.2+, PostgreSQL, or SQLite for data storage.

In December 2008, this fellow found all open installs ( link) of the MediaWiki code. And until mid 2013, there used to be the MediaWiki Users forums ( link).

MediaWiki size information
add /Special:Statistics at the end of the URL – eg. (non-English language versions will automatically convert this to actual language). Dependent on MW software version, there is a number called 'Content pages' or sometimes 'pages that are probably legitimate content pages' – use that lower number. Ignore the (often much larger) 'all pages in the wiki, including redirects' number. We can also add MediaWiki site listings to the [dead link] system which tracks various wiki statistics.
MediaWiki wikiFactor information
go to the /Special:PopularPages page of the wiki –

Note: from around MediaWiki version 1.24, the included standard internal tool which provided the 'page views' output and popular pages list rankings was globally disabled (removed) from all future releases of MediaWiki. It is still possible to use the 'Special:PopularPages' link, but only if the wiki site owner or system administrator subsequently added Extension:HitCounters, available from

See also
External links

The Wikimedia Foundation, Inc. (WMF), founded 20 June 2003, is the wiki company and non-profit charitable organization[1] responsible for a very large number (over 900 in total) of very active wikis, grouped together and known as 'projects'; as well as the wiki engine software initially developed by themselves, known as MediaWiki. The Foundations' major wiki projects include Wikipedia (encyclopedias), Wiktionary (dictionary and thesaurus), Wikiquote (quotations), Wikibooks (open content textbooks), Wikisource (free content primary and secondary source texts), Wikinews (news source), Wikiversity (open learning community), Wikispecies (free species directory), and many others as listed below. Most of these projects have separate wiki versions written in many different languages. There is also the Wikimedia Commons (shared repository for documents, images, videos, and other media and text files), Wikidata (central space knowledge base for data used on all WMF projects), and the Wikimedia Meta-Wiki (coordination of issues common to all Wikimedia projects). The Foundations' global reach is nurtured in its Incubator, where all new language versions for all projects are initiated and developed before being rolled out. Its most recent major project, Wikivoyage (a 'travelpedia'), was inducted to WMF in late 2012.

Wikimedia Foundation, Inc. is a member of the Open Source Initiative (OSI). Furthermore, the Wikimedia Foundation is a United States 501(c)(3) non-profit organization, granted April 2005, headquartered in ??????????.

All Wikimedia Foundation projects, wikis, and portals (view / edit) • (category)

Wikipedia • Wiktionary • Wikiquote • Wikibooks • Wikisource • Wikinews • Wikiversity • Wikispecies • Wikivoyage • Commons • Commons Archive • • Wikidata • Meta-Wiki • Incubator • Labs • Wikitech • Chapters • Wikimania • Outreach • Toolserver • Toolforge • Statistics • Phabricator • Beta Cluster • Downloads • Analytics • Software Releases • Documentation • Blog • Shop • Donate • Login

original Wikimedia Foundation (WMF) logo from 2003
subsequent Wikimedia Foundation (WMF) logo
Wikimedia Foundation private and management wikis

Board • BoardGovCom • Foundation Governance • Office • Executive • Internal • Affiliations Committee • OTRS • Collab • Movement Roles • Audit Committee • Search Committee • Advisory Board • Quality • Usability Initiative • Strategic Planning • SP-Com • Stewards • CheckUser • Advisors

External links
Further reading

Any red links above need the {{Wiki}} infobox template (if appropriate), their Wikimedia Foundation URLs, the {{Wikimedia-stub}} template, and this {{Wikimedia Foundation}} navigation template added.

The wiki sites and / or other articles listed below in this category and sub-categories are powered by, or refer to the MediaWiki wiki engine software.

Pages in category “MediaWiki”

The following 2,000 pages are in this category, out of 5,889 total.

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Media in category "MediaWiki"

The following 5 files are in this category, out of 5 total.