Monitor Core Web Vitals and performance metrics in real-time. Catch performance regressions before they ship.
Real-time LCP, FID, CLS, and INP monitoring.
See exactly where time is spent during page loads.
Identify JavaScript that's slowing down your app.
Track memory usage and identify leaks.
Compare performance across development sessions.
Get warnings when metrics exceed thresholds.
DevConsole uses the same Performance APIs as real-user monitoring tools. Metrics are representative of production performance.
Yes! Use the DevConsole API to log custom performance marks and measures alongside built-in metrics.
Minimal impact. DevConsole uses passive observers and only runs in development mode.
Explore more DevConsole capabilities