_:b2556377	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2006/http#MessageHeader> .
_:b2556404	<http://www.w3.org/2006/http#elementName>	"upgrade-insecure-requests" .
_:b2556377	<http://www.w3.org/2006/http#fieldValue>	_:b2556404 .
_:b2556377	<http://www.w3.org/2006/http#fieldName>	<http://www.w3.org/2006/http-header#content-security-policy> .
_:b2556404	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2006/http#HeaderElement> .