serlaPrivacy-first analytics
Track what matters.
Respect what's private.
Drop in 7 KB of JavaScript and get funnels, retention, goals, and revenue tracking. No cookies, no consent banners, no PostHog-sized bill — built for developers shipping product.
See where users drop offTrack weekly retention cohortsMeasure revenue per sourceGet a Slack alert when signups spike
app.js
// Initialize once
const serla = new Serla('sk_live_...')
// Track anything
serla.track('signup', {
plan: 'pro',
source: 'landing'
})
Events today2,847
12amnow
Built for developers
Event tracking
One line. Any event.
signupplan: pro2s ago
page_view/pricing5s ago
button_clickcta_hero8s ago
checkoutvalue: 2912s ago
Real-time
Data in seconds, not hours.
147
live
Last event0.3s ago
Funnels
See where users drop off.
Visit
100%
Signup
68%
Activate
45%
Convert
23%
Retention
Cohort analysis that makes sense.
Day 0Day 7
Start in 5 minutes
No complex setup. No configuration files.
01
Add script
<script src="serla.js">
02
Initialize
new Serla('sk_...')
03
Track
serla.track('event')
Privacy by design
No cookies. No fingerprints. No consent banners.
Cookie-free
No IP tracking
GDPR ready
Your data
Simple pricing
Start free. No credit card.