sean22 - 9:59 pm on May 22, 2010 (gmt 0)
I'm grateful I read this post. I use an analytic program and quite a few referral URLs are returning without the search terms or the page placement. Also when clicking on the link I am directed to a Google Redirect Notice page with two links, the top link directs me to my website and the second to go back.
I thought I was hacked or something. Very inconvenient because it was a quick and easy way to analyze traffic.