Yes... this is why I buried that "Hmmmm....this is looking a little buggy" comment at the end of my post.
It looks like we're getting some weird referrals from Baidu that're not logging correctly - don't know if they're misidentified profile/forum/postsbyuser referrals logging as thread referrals yet. MAYBE I'll have it fixed by next month. We'll see!
This is about 800K total, but it IS about 360 calls to the Web server in a short period of time, so while I'm pretty sure we won't DIE if you all click on the link at once, if things seem a little slower that might be why.