Google Product Forums
Re: Huge Spike in Traffic from Direct Internet Explorer visitors - nearly100% bounce rate, stays for only one minute
Discuss Tracking and Implementation issues
We're looking into the mouse movement. Regarding the 302/301 - this is the home page of my site; that would cause an ungodly mess my (perfectly fine) search results. I'll rebrand it on another domain before I do that - and it may come to that.