Interesting idea. :)

I have a tweak suggestion - how about a page fades when it doesn't get hits? Or rather, perhaps, that a page needs to have enough hits often enough - or compared to other pages or something - otherwise it fades into oblivion?

This way, the pages that are - and stay - popular is retained, while the not so good or important ones fade away.

This is of course totally dependant on what purpose you are after, but that might be a useful option for this?

This isn't critique or anything, just an amendment. :)

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You have moved into a dark place.
It is pitch black. You are likely to be eaten by a grue.