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by rictic 3051 days ago
Quoting the OP:

> Also, preload links from the Link response headers, as described in https://www.w3.org/TR/preload/#server-push-http-2, can be pushed, if enabled with the "http2_push_preload" directive.

So you send down some headers in your response which tells the proxy server resources it should push. Pretty elegant, and fails gracefully. I believe this is the same mechanism as other http2 servers.