Referrer-Policy

https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Referrer-Policy

• Referrer-Policy: strict-origin-when-cross-origin (default)

From document	Navigation to	Referrer used
https://example.com/page	https://example.com/otherpage	https://example.com/page
https://example.com/page	https://mozilla.org	https://example.com/
https://example.com/page	http://example.com	(no referrer)

• Referrer-Policy: same-origin

From document	Navigation to	Referrer used
https://example.com/page	https://example.com/otherpage	https://example.com/page
https://example.com/page	https://mozilla.org	(no referrer)

• Referrer-Policy: no-referrer

From document	Navigation to	Referrer used
https://example.com/page	anywhere	(no referrer)