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See what your tracking is losing

Paste your shop's address. We read the page the way a visitor's browser does, name the tags we find, and show which of them the public ad-blocking lists stop. It takes a few seconds and asks for nothing.

The Signal Scan reads a shop's home page, lists the advertising tags on it, and reports which ones the public filter lists are known to block. It sets no cookie, stores no visitor data, and every figure it prints carries the source and the date it was read.

Only used to put the result in euros. Leave it empty and the rest still works.

The scan is not connected yet. It runs on its own service, which has not been deployed. Everything this page says about what it will and will not measure is already true.

What this scan does with your data

  • No cookie is set, on this page or anywhere in the scan.
  • No fingerprint is taken. It would be a strange tool that did.
  • The address you paste is stored only to cache the report for a few minutes.
  • An email is asked for once, optionally, and only to send you the report.

Where these figures come from

The blocking claims come from one reading, on 22 August 2026, against EasyPrivacy, EasyList and uBlock Origin's filters and privacy lists as published that day. Two rules hit the Meta browser tag: `||connect.facebook.net/signals/$third-party` and `||facebook.com/tr/`. We have not run the same search for the other tags, so the scan says not measured for them rather than assuming.

Everything we measure, and everything we do not, is on our method page. Read the method

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