CapsaicinCapsaicin
Sign inStart free
v0.2 · REVENUE ATTRIBUTION

Web analytics
with a little heat.

Open-source, privacy-first, Cloudflare-fast. One script, zero cookies, no consent banners. An Umami-class tool that fits in 0.97 KB.

Start tracking — it's freeSelf-host
NO CREDIT CARD · GDPR/CCPA BY DEFAULT · MIT LICENSE
capsaicin.dev/dashboard
Visitors
22.0k+12.4%
Pageviews
84.2k+8.1%
Bounce
32%-2.1%
Online
47

Everything you need. Nothing you don't.

Cookieless tracking
A 0.97 KB script, sendBeacon, SPA-aware. Zero cookies, zero banners.
Funnels & goals
Define steps, watch drop-off live, attribute revenue per path.
Revenue attribution
Connect Stripe, Polar, LemonSqueezy — see which channel paid.
Multi-domain
One website, many hostnames. Filter or unify as needed.
MCP-ready
Built-in MCP server. Ask Claude 'top pages yesterday' in your editor.
Self-hostable
Runs on Cloudflare Workers + D1. Your data, your infra, your control.
INSTALL IN 30 SECONDS

One script tag.

<!-- paste before </body> -->
<script src="https://capsaicin.dev/script.js"
data-website-id="web_a8f3…" defer>
</script>