MsgPack size = JSON / 2

MsgPack vs. JSON: Cut your client-server exchange traffic by 50% with one line of code | indiegamr:

you can save up to 40% (and some cases even 60%)
of your traffic caused by client-server communication
with not more than one line of code?

The magic word is “MsgPack” –
it is a ‘binary-based efficient object serialization library‘.