brotherhood_of_LAN - 8:47 pm on Jun 27, 2013 (gmt 0)
>Running YOUR site under SSL hasn't got anything to do with GOOGLE returning referral data because THEY run things under SLL. Apples, oranges, blah.
If a website is accessed from a HTTP Secure (HTTPS) connection and a link points to anywhere except another secure location, then the referer field is not sent.
10. ^ "Hypertext Transfer Protocol -- HTTP/1.1: Encoding Sensitive Information in URI's (RFC 2616 § 15.1.3)". IETF. June 1999. Retrieved 2013-03-20. "Clients SHOULD NOT include a Referer[sic] header field in a (non-secure) HTTP request if the referring page was transferred with a secure protocol"
I think phranque's post already put that angle to bed.