Page is a not externally linkable
jdMorgan - 3:07 pm on Jul 19, 2009 (gmt 0)
Consider appending the information to the URL as a query string (or perhaps as a fragment), and then the target site can retrieve it:
The HTTP_Referer header is sent by HTTP clients, so your server can't send it in a redirect.
RewriteRule ^my-page$ http:othersite.com/single-page?ReferredBy=my-page
Jim