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Cookieserve vs Blacklight: catalog facts
Cookieserve	Blacklight
Free The cookie checker is free with no email required.	Free Free to use, run by a donation-supported newsroom.
Web	Web
No email or sign-up needed for a scan Instant report on cookies and their purpose	Detects fingerprinting, session recording and keystroke capture Names data flows to major platforms
Promotes a separate cookie consent product Checks cookies rather than every kind of tracker	Scans a single page per run Cached results may be shown unless a fresh scan is forced
Web application	Web application
Closed source	Closed source
License not stated	License not stated
No account needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.