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Tracker42 liveDemo

Live demo · analyze your site, toggle modules, size your tracker. Join the waitlist →

Try with your siteDrop your domain — we'll size your usage in seconds, no install.
  • Detect your stack + site type
  • Count indexed pages from your sitemap
  • Estimate monthly traffic + plan fit
preview · 1 modulescookie-free · GDPR by default
1.26KB1,286B · gzipped
Build a tracker that's exactly as small as it needs to be. Toggle modules, see the cost, ship the minimum.
ModulesToggle modules · live size + event preview
Core+1099BREQUIRED
Pageviews · sessions · referrer · UTM. Required.
pageview·session.start·session.end
SPA Navigation+187Blow
History API + hash. For Next, React Router, Vue Router, Nuxt.
~0.5/pageview·pageview.spa
Scroll Depth+238Bmedium
25% · 50% · 75% · 100% — passive listener, no jank.
~1.5/pageview·scroll.25·scroll.50·scroll.75·scroll.100
Engagement Time+226Blow
Active vs idle, tab focus aware. Powers "time on page".
~1/pageview·engagement.tick
Outbound Clicks+273Blow
Auto-detects external + mailto: + tel:. No manual tagging.
~0.3/pageview·click.outbound·click.mailto·click.tel
File Downloads+277Blow
PDF · zip · docs · media — tracked by href extension.
~0.05/pageview·click.download
Page Leave+204Bmedium
pagehide + visibilitychange. Survives tab close.
needsScroll DepthneedsEngagement Time
~1/pageview·pagehide
Web Vitals+562Blow
LCP · INP · CLS · TTFB. Sampled, queued via sendBeacon.
~2/pageview·vitals.lcp·vitals.inp·vitals.cls·vitals.ttfb
A/B Experiments+199Blow
Records A/B exposures from edge-applied variants. Pairs with the /ab designer.
~1/pageview·exp
2.0 KB Budget1286B / 2048B
Estimated usage~4.5 events/session
~225kevents/mo
based on 50k sessions · ~3 pages/session · analyze your site above for accuracy
core · 150kSPA Navigation · 75k
Embedgetvero.dev/t.js · gzipped
<script src="https://api.getvero.dev/t.js?s=vr_demo_a1b2c3d4e5f6" defer></script>
Sample event stream
mock data · 0 events