An excellent overview of the referral problem and its history can be found in "Stripping referrer for fun and profit".

The same article also contains excellent links to:

1. For the lazy among us, the referer.us URL redirection service and, still better,
2. A browser-independent client-side script, using the awesome <iframe src=about:blank> trick.

An excellent overview of the referral problem and its history can be found in "Stripping referrer for fun and profit".

The same article also contains links to:

1. referer.us, an URL redirection service, which now redirects to url.rw, but which neither should be trusted,
2. A browser-independent client-side script, using the awesome <iframe src=about:blank> trick.