There are 2 sites:
http://www.site1.com http://www.site2.com http://www.site1.com contains link to http://www.site2.com as
<a href="http://www.site2.com/">link<a/> When user clicks on link from http://www.site1.com browser sends ReferrerReferer header to http://www.site2.com. Based on Referrer header http://www.site2.com makes some processes.
I wonder if I can fake/change (maybe with javascript, PHP, ...) ReferrerReferer header or not send it at all?