collected.tools.

Seline

Simple web and product analytics without cookies

What it is

Seline is cookieless web analytics from Warsaw that runs on a script of about 2 KB and hosts its data in the EU. Besides sources, pages and UTM parameters it shows individual visitor journeys, funnels, user profiles and custom events. Revenue is attributed to traffic sources through Stripe, Polar and Shopify, and an AI chat answers questions, also via MCP from Claude or Cursor.

Why it made the cut
  • Visitor journeys from source to purchase
  • Revenue attribution through Stripe, Polar and Shopify
  • A script of about 2 KB, hosted in the EU

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