Your dashboards show green. Your customers say it's broken.
This is the most common failure mode I've seen across enterprise SaaS products, and it's not a monitoring problem. It's a measurement problem.
Most observability stacks measure what's easy to measure: server uptime, response times, error rates. These are necessary but insufficient. They indicate infrastructure health, but fail to confirm if the product actually works.
Here's the gap: a user can experience a completely broken workflow while every metric on your dashboard stays green. The API returns 200. The page loads in 400ms. The error rate is 0.01%. But the user clicked "Submit," saw a spinner for 3 seconds, got a success message, and their data was silently dropped.
A new dashboard won't solve this. Instead, evaluate whether the user's action produced the intended outcome — focus on whether the desired action completed successfully rather than just checking if the API returned a 200 status. Measure how long it felt like it took: time-to-interactive defines the user experience much more than server response time. And watch for retries. Every retry is a user telling you that your system, which looked healthy, wasn't working for them.
Pick your most critical user workflow. Instrument it end-to-end directly from the user's perspective. You'll be surprised how often "green dashboards" hide broken experiences.
If the dashboard is green while the user cannot complete checkout, the dashboard is the defect.