Because you went from a https site to a non secure one (http://sbjs.rocks) so the referer header was hidden. See: https://en.wikipedia.org/wiki/HTTP_referer#Referer_hiding
Because you went from a https site to a non secure one (http://sbjs.rocks) so the referer header was hidden. See: https://en.wikipedia.org/wiki/HTTP_referer#Referer_hiding