Yes. There's work underway at the IETF to define a standard for signing pages and included resources, so that caches can do their business while still providin

Yes. There's work underway at the IETF to define a standard for signing pages and included resources, so that caches can do their business while still providing the same authenticity features as an HSTS-compliant site. I can't seem to find a reference to an RFC right now, though, unfortunately.