Why AI Correlation Is Harder Than You Think (And What 20 Years of Pain Taught Me)

Every performance tester knows the feeling. You record a user journey, hit replay, and watch your script crash within seconds. The culprit is almost always the same: dynamic data. Session tokens, CSRF values, authentication keys — they all change between requests. If your script replays the values it recorded rather than extracting fresh ones from server responses, the test is dead on arrival. The process of fixing this — identifying dynamic values, finding their origin in a previous server resp