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Submark
Submark enables marketers to create precision-targeted custom audiences for Facebook and Google advertising by leveraging behavioral data from an exclusive network of partner websites
last checked Jul 13, 2026 · Unknown
CohortClass of 2026What it is
Submark enables marketers to create precision-targeted custom audiences for Facebook and Google advertising by leveraging behavioral data from an exclusive network of partner websites. Access detailed audience insights based on real user behavior to improve ad campaign performance and ROI.
HTTP liveness
11 probes since May 23May 23Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- May 23, 2026First probe — unverifiedUnknown
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Pulse Indexobserved activity
11 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2026weekly
567 products launched in 2026 · 100% still active
567 active0 sunset
Still active
100%
Median lifespan
4.9y