Ship with confidence
Module 7 / Lesson 3

Monitor the behavior that matters

Watch outcomes and diagnose failures without logging sensitive content.

16 minutes

Availability is more than a listening port

A server can respond while the database is unavailable or authentication is failing. Track meaningful operations such as successful sign-in and progress saves, with failure counts and useful timing.

Make a failure traceable

Use request identifiers to connect a browser error to a server event. Log the operation, status and error class without dumping private payloads. Alerts should identify an actionable change and resolve when service recovers.