It's been Babysitting Cream for a long time now, but e621's started to push past. Sergal is also very popular, as is Furry Beach Club, and, for some reason, YouTube Furry War (the "War" bit may be irrelevant). If you want more details, have a look at its Google Analytics statistics (Behaviour/Site Content, date filters at the top right.)
Why? Well, one reason could be that pornographic sites don't show up on Google with a default level of SafeSearch. People also seem to think it's a good place to put guides, since readers are often looking for an introduction anyway.
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It's been Babysitting Cream for a long time now, but e621's started to push past. Sergal is also very popular, as is Furry Beach Club, and, for some reason, YouTube Furry War (the "War" bit may be irrelevant). If you want more details, have a look at its Google Analytics statistics (Behaviour/Site Content, date filters at the top right.)
Why? Well, one reason could be that pornographic sites don't show up on Google with a default level of SafeSearch. People also seem to think it's a good place to put guides, since readers are often looking for an introduction anyway.