102 processing comes in my browser
This prevents the client from timing out and assuming the request was lost.
this is a final response from server as server is saying to client what the client has sent for request , it has been received totally and completed but
it would take some more time than expected for this intimation that server has accepted the client request . it would must send to client the web page saying that
102 processing ,web page comes that means everything is ok and fine. If the server does not say anything but completed client request that would may puzzle the client
so it is the responsibility of the server to send this response namely”102 Processing “