This. There are also clients that with a little config will let cache the support level per-host, and even provide a list of hosts that the initial request shou

This. There are also clients that with a little config will let cache the support level per-host, and even provide a list of hosts that the initial request should race TCP and QUIC to. https://developer.android.com/guide/topics/connectivity/cronet/reference/org/chromium/net/CronetEngine.Builder.html#addQuicHint(java.lang.String,%20int,%20int) https://developer.android.com/guide/topics/connectivity/cron...