Can I talk QUIC right now?
Test method: click the button below to test QUIC connectivity. This makes a simple HEAD request using the Fetch API.
Explanation: Detecting QUIC usage at the app level is not so simple, due to the way QUIC and Alt-Svc work together. There is a W3 effort to expose protocol information by means of the Resource Timing attribute nextHopProtocol. However, implementations are not fully mature support.Firefox and Chrome have support but other browsers are out of luck altogether.