The 'noreferrer' link relation currently governs both referrer policy for a navigation, as well as the 'opener' attribute of any newly created browsing context. The 'noopener' link relation gives devlopers the ability to control the latter without opting into the former.
Status in Chromium
Enabled by default (tracking bug) in:
- Chrome for desktop release 49
- Chrome for Android release 49
- Android WebView release 49
Consensus & Standardization
Last updated on 2020-11-09