HTTP3 Server Push
[HTTP2 Server Push](https://texonom.com/http2-server-push-478fcc57b6634c919462cad5c4b025d3) 


Several HTTP/3 frames are used to manage server push


similar to what is described in HTTP/2
Pushing is never "free", since while it saves a half round-trip it still uses bandwidth
It is often hard or impossible for the server-side to actually know with a high level of certainty if a resource should be pushed or not.



> [Server push](https://http3-explained.haxx.se/en/h3/h3-push)






