Great question — answering as the UphillTech team:
If you're able to install extensions on the site at all then you could try the one for Google Analytics at http://www.mediawiki.org/wiki/Extension:Google_Analytics_Integration Otherwise, another solution might be to try a "web beacon". That's where you insert a resource from an external site into a page so you can track the hits for it when pages are requested by a browser. For example, you could add an image to a post with a URL like http://www.yourdomain.com/tracking_pixel.gif then count the requests for it. However, this depends on the setup of MediaWiki because the ability to insert external images into a page might have been disabled. You can read more about that at...
Full answer by Ewan Heming: https://webmasters.stackexchange.com/a/10239 (CC BY-SA 4.0).
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