I suspect if your website is HTTPS only (and HTTP auto-redirects to HTTPS), you'll probably still lose referer headers when people use http:// http:// links to

I suspect if your website is HTTPS only (and HTTP auto-redirects to HTTPS), you'll probably still lose referer headers when people use http:// http:// links to your site. While Stackoverflow suggests most modern browsers will maintain the referer when following a redirect (http://stackoverflow.com/questions/2158283/will-a-302-redirect-maintain-the-referer-string http://stackoverflow.com/questions/2158283/will-a-302-redire...), I suspect this won't work if the redirect is from HTTP->HTTPS and the origin is HTTPS. However, I haven't found any conclusive information on this, and I'm too lazy to test it from various browsers right now.