Hi,
I know that this has been asked before, and this is not a simple question given how browsers work. I tried to play with LoadHandler onLoadingStateChange, onLoadStart, onLoadEnd, keeping counts of load starts and ends and trying to guess something, but this does not seem to work so well.
So: any suggestion? Any idea about what could be implemented, or something new to be exposed, to get a decent getLoadProgress() method somewhere? It will come the day we all will need it...