Searching for Wikimedia Commons on Google.nl ( http://www.google.com/search?client=safari&rls=en&q=wikimedia+commons / language: dutch ) the top result is this:
- Wikimedia Commons
The IUCN Red List has agreed to license distribution maps derived from the data present on their website with a Creative Commons By-SA 2.0. ...
nl.wikipedia.org/wiki/Commons: - Cached
That's an interwiki link, probably indexed by either a double interwiki (ie. en.wikipedia linking to nl:commons: )
Perhaps make these kind of urls, for interwikis that are not limited to local (such as bugzilla: and mw:), a 301 redirect instead ?
Version: 1.21.x
Severity: normal
See Also: T48424, T33838, T38174, T67402.