Engineered observability for high-performance web apps.

Drop a single featherweight JavaScript tag into your codebase to capture precise execution latencies, real-time unhandled exceptions, and core user metrics instantly.

Deploy Tracker Free Explore Architecture

Built for Elite Engineering Teams

Low footprint client-side collection paired with an aggressively optimized ingestion pipeline.

Real-Time Performance

Quantify First Contentful Paint, Time to Interactive, and individual asset load latencies accurately across devices.

Instant Error Tracking

Capture unhandled JS exceptions, syntax crashes, and runtime Promise rejections instantly with complete stack context.

Actionable Telemetry

Consolidate high-volume log streams into structured analytical views designed for swift root-cause diagnosis.