19. The system of claim 17 , the machine comprising: a proxy that operates to scan the first response and identify the reference according to the non-transitory instructions being executed by the machine.
19. The system of claim 17 , the machine comprising: a proxy that operates to scan the first response and identify the reference according to the non-transitory instructions being executed by the machine. 21. The system of claim 19 , wherein the machine is implemented in a communications system having a web client in communication with a web server over a communications network, the web client is implemented in a user system, and the proxy is implemented in a computer system connected to the user system via a high speed, low latency link.