Key Telemetry Metrics Every SaaS Founder Must Track

Telemetry goes beyond server uptime. For modern B2B and consumer SaaS platforms, tracking real user behavior and technical response times together reveals the root causes of churn.

1. P99 API Response Latency

Average latency numbers hide critical friction for high-volume power users. Tracking your 99th percentile (P99) latency ensures your most active paying customers never experience lag during peak usage hours.

2. Onboarding Funnel Completion Time

If users spend more than 3 minutes setting up their workspace, drop-off spikes exponentially. Instrumenting step-by-step telemetry on registration screens identifies exact form field friction.