Occassionally i have to use my smartphone internet and i didnt find a way yet to measure the bandwith usage per tab in firefox.
So can you give an estimate number for hourly bandwith usage?
Great question, as always.
I just lost the whole morning trying to figure out an answer. I was hoping that the socket.io module would provide a way of keeping track of bytes sent and received, but it doesn't appear to. Even worse, I don't think it would even be able to, because the data that goes over the websocket is compressed using the 'deflate' algorithm, and that happens transparently in the browser and isn't even visible to the application level. So with some code changes I could get the site to tell you how much data it is sending and receiving per hour, but that would be the uncompressed amount, which isn't what you care about when you look at your phone bill.
I don't have a good idea at all of the bandwidth usage, which is why I was hoping to be able to tell you "just type /bandwidth and it will tell you" - but I can't. Yet. If ever.
Also I guess the bandwidth usage would vary a lot depending on how many big bets are being made, and how much people are chatting.
I think this is over-complicating it. Anyone with an Android phone already has an app that tracks bandwidth on a per-app basis. So just zero out usage (or keep up with your current usage in Chrome/whatever) and then leave the site up for 15m (or 10m or whatever you want to extrapolate from) and see how much the usage of that browser has changed.