HTML5 includes the noreferrer link rel: "If a user agent follows a link defined by an a or area element that has the noreferrer keyword, the user agent must not include a Referer (sic) HTTP header (or equivalent for other protocols) in the request." [1]
Not sure about browser support, but it's implemented in at least WebKit [2].
Not sure about browser support, but it's implemented in at least WebKit [2].
[1] http://www.whatwg.org/specs/web-apps/current-work/multipage/...
[2] http://www.webkit.org/blog/907/webkit-nightlies-support-html...