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Scary Senders
Scary Senders helps you detect email tracking pixels and open-tracking attempts by analyzing forwarded messages in seconds
since Jun 16, 2026 · HTTP 200
CohortClass of 2026What it is
Scary Senders helps you detect email tracking pixels and open-tracking attempts by analyzing forwarded messages in seconds. Simply forward any email to the service and instantly see which tracking mechanisms are embedded within it. Built to make email privacy protection accessible and straightforward for everyday users.
HTTP liveness
9 probes since Jun 16Jun 16Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 16, 2026First probe — redirectedRedirected offsite
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Pulse Indexobserved activity
9 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2026weekly
550 products launched in 2026 · 100% still active
550 active0 sunset
Still active
100%
Median lifespan
4.9y