"That site" isn't just any Wiki. It's the father of all Wikis. Ward's original creation, after which all the others are patterned. It would be notable for that alone.

I wear my badge of RecentChangesJunkie with pride. I was there at the peak of its golden age, in 2000, learning an insane amount of stuff I hadn't even suspected existed. Happy memories.

It helps to know that it was a hangout of a substantial part of the Patterns community, and hosted the conversations which helped define Extreme Programming. At one point the Road Maps were created, somewhat similar in intent to the Sequences here, perhaps you'll find some help there.

It's no longer a living community as far as I can tell, more of a monument. Some crucial features (quickChanges and quickDiff) even appear to be broken.