A system or method which accesses or otherwise receives collected performance data for at least one server application, where the server application is capable of performing a plurality of transactions with client devices and the client devices are geographically dispersed from the server in known geographical locales, which automatically determines from the performance data which of the transactions are utilized by users of the client devices, which selects utilized transactions according to at least one pre-determined selection criteria, which automatically generates a transaction playback script for each of the selected transactions substituting test information in place of user-supplied or user-unique information in the transactions, which designates each script for execution from a geographical locale corresponding to the locale of the clients which execute the utilized transactions, which deploys the playback scripts to robotic agents geographically co-located with client devices according to the locale designation, and which executes the playback scripts.