Backend & systems·Observability and operations
you run a scripted fake user journey every minute so you find out the checkout is broken before a customer tells you.
Synthetic monitoring
Also calledblack-box monitoring, probe, canary check
Actively probing your system from outside on a schedule. It covers the gap where real traffic is low or where a failure prevents traffic from arriving at all. It only tests the paths you scripted, so it complements real user measurement rather than replacing it.