A client telephoned me just now to complain our web application is broken because its working very slowly. I went online and it was working perfectly well. So, I blamed network traffic in their area to save our reputation(!). The client is in Northern England, we are central England, and the server is in Southern England (about 400 miles in total between them and the server).
Anyway, is there any method to test whether the infrastructure is encountering issues between two geographical locations? It would be lovely to just blame BT (usually correctly) but some proof would be also be nice...!
Thanks in advance.