Notes

• Commons does not noindex any namespaces (via $wgNamespaceRobotPolicies). See Wikimedia settings file.
• MediaWiki:Robots.txt is used for some noindexing.
• The __NOINDEX__ magic word can be used, except in the main namespace, where it is disabled. Pages with the keyword are tracked by MediaWiki, and automatically categorised in a tracking category, Category:Noindexed pages (the category name is determined by MediaWiki:Noindex-category), except for user and user talk pages, which are categorized in Category:Noindexed user pages.