Server Push

There are two kinds of server pushes, which I call the true and the fake.

The Fake: I see it for Chrome to play MJPEG. It’s more of a browser feature. The server keeps sending jpg pictures and browser play video by replacing it’s picture one after another. It doesn’t need HTTP/2. Keywords: multipart x-mixed-replace boundary

The True: client receives resources without requesting. HTTP/2 required.
for Nginx, it has to be 1.13.9 and up, which was released this year 2018.

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