How we built it

HTTP Public Key Pinning violating reporting

HTTP Public Key Pinning (HPKP) allows websites to send an HTTP header that pins one or more of the public keys present in the site’s certificate chain. This feature tracks the implementation of HPKP reporting, which allows website owners to receive reports when the browser detects HPKP violations.



Established standard

Status in Chromium

Enabled by default (launch bug) in:

  • Chrome for desktop release 46
  • Opera release 33
  • Opera for Android release 33

Consensus & Standardization

  • No public signals
  • No public signals
  • No public signals
  • No signals


Last updated on 2015-10-19