Event loop delay — sync blocking detector (ms)
p99 per 15s samplep99
max — spikes here = something synchronous froze every request
Memory (MB)
RSS
heap used
external — RSS climbing while heap is flat = native/Chromium growth (watch Vel)
API routes by p95
| Route | Method | Calls | Avg | p95 | Max | 5xx |
|---|
Frontend render timings (named functions)
| Page | Function | Count | p50 | p95 | Max |
|---|
Web vitals by page
| Page | Metric | Samples | p75 | p95 | Rating |
|---|
Slow requests (>500ms)
| When | Route | Method | ms | Status |
|---|