How to get part of the response to an http request?

Question

Computer networks

The server sends 200kb of data via http to a get request. How can I get 20kb of answer? I don't need the whole answer, but I need to save traffic.

Answer 1

Write a script that will open the socket on its own, write request headers to it, read the response headers and the first 20 kilobytes, and then close the socket.

Answer 2

in general, no way. the HTTP protocol as such does not provide for reducing the amount of transmitted data if the recipient does not need something.
on the other hand, CURL supports requesting a specific range of bytes via URL, read about the --range.

Answer 3

send after 20 kb
GET / HTTP/1.1
Connection: close
or close TCP connection ??