WhatzBug Observe
Performance Monitoring
Measure what matters. Track app launch time, screen load times, frame rates, JavaScript stalls, and custom traces — with real-time visualization in the Desktop App.
What You Get
App Launch Time
Measure cold start and warm start durations, including native initialization time.
Screen Load Time
Track how long each screen takes to render, from navigation to interactive.
FPS Tracking
Monitor frame rate drops and jank on both the JS and UI threads.
JS Stall Detection
Detect and alert when the JavaScript thread is blocked for too long.
Custom Traces
Create manual performance spans around any code to measure timing.
Desktop KPI Dashboard
View all performance metrics in the Desktop App’s Performance panel.