scan

WE SCAN OURSELVES

SUMMARY

0 trackers before you choose.

We run The Markup's Blacklight collector against the exact build we ship, before every release. Before you answer the analytics question, this site loads no ad trackers, sets no third-party cookies and runs no fingerprinting, recording or key logging.

RESULTS

SCANNED

2026-10-02

BUILD

6da6abc

TOOL

BLACKLIGHT COLLECTOR 3.11.0

AD TRACKERS

THIRD-PARTY COOKIES

CANVAS FINGERPRINTING

NOT FOUND

SESSION RECORDING

NOT FOUND

KEY LOGGING

NOT FOUND

META PIXEL

NOT FOUND

GOOGLE ANALYTICS REMARKETING

NOT FOUND

THE MARKUP'S PUBLIC SCAN

SCANNED

2026-10-01

ADDRESS

APP.CHECKPARANOIA.COM

AD TRACKERS

THIRD-PARTY COOKIES

CANVAS FINGERPRINTING

NOT FOUND

SESSION RECORDING

NOT FOUND

KEY LOGGING

NOT FOUND

META PIXEL

NOT FOUND

GOOGLE ANALYTICS REMARKETING

NOT FOUND

VIEW THE MARKUP'S REPORT ↗

AFTER YOU ACCEPT

If you accept analytics, the site loads PostHog from our own code and sends product events and error reports to PostHog's EU servers (eu.i.posthog.com). There is no session recording on the web. If you reject, or your browser sends Global Privacy Control, nothing loads.

EVERY OTHER SERVICE THIS SITE CONTACTS

Supabase

Signs you in, syncs your saved watchlist, alerts and history, and checks whether the company page you are reading has a newer review.

Apple sign-in

Runs the Sign in with Apple flow, loaded only when you press Sign in with Apple.

RevenueCat

Checks and manages your Plus subscription, only while you are signed in.

Stripe

Handles checkout and payment for Plus.

PostHog

Sends product analytics events and error reports to PostHog's EU servers, only after you accept.

OpenFreeMap

Serves the map tiles and map fonts for City Watch, only when you open it.

ONLY ON CITY WATCH

NOT COVERED

This scan covers app.checkparanoia.com only. Our marketing site, checkparanoia.com, runs a Meta Pixel to measure ads. It stays off for visitors in the EU, EEA, UK and Switzerland and for browsers that send Global Privacy Control.

RUN BLACKLIGHT YOURSELF ↗