Use this for questions related to the Referrer-Policy HTTP header and the meta name=referrer element, for strict-origin-when-cross-origin errors, and for cases where the Referer HTTP header is missing from a request. The Referrer-Policy header and name=referrer HTML meta element control whether the Referer request header is sent in a request at all — and if it is sent, what the Referer value will be set to.
