Feature
Core Web Vitals, UTM campaigns and custom events
Track page speed, campaign attribution and the actions that matter — without an SDK.
Three things most sites actually ask about are now first-class: how fast pages load, which campaigns earn their place, and which actions visitors take. All of it runs from the same tiny script.
- Core Web Vitals: FCP, LCP, INP and CLS captured automatically.
- Navigation timing breakdown (TTFB, DOM interactive, load) on first load.
- UTM parsing with sticky attribution, plus click-id fallbacks (gclid, fbclid, msclkid).
- Custom events with properties, declarative click tracking and custom dimensions.
- Scroll depth, outbound and download tracking.