A process, system and program product for executing a plurality of tests scripts or one or more test script sets against a plurality of systems to be tested. The process comprises providing an instance of a test script set on a server, writing an initial system value corresponding to an initial system to be tested on a web page file hosted on the server, retrieving the initial system value from the web page file and launching a URL using the initial system value retrieved to execute the test script set against the initial system to be tested. The process further includes overwriting the web page file to change the initial system value to a next system value corresponding to a next system to be tested, retrieving the next system value from the web page file and launching a next URL using the next system value retrieved to execute the test script set against the next system to be tested.