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Conversion Calculator For Startups
Calculate how much an email address or free trial is worth
since Jun 16, 2026 · HTTP 200
CohortClass of 2016What it is
Calculate how much an email address or free trial is worth. [Email Marketing, Marketing, Growth Hacking]
HTTP liveness
20 probes since Jun 16Jun 16Jul 16
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
242/4 signal families
Liveness40%0.40
Press30%no data
GitHub20%no data
Tranco10%0.84
Weighted observed activity · updated Jul 15
Cohort survival · Class of 2016weekly
13,657 products launched in 2016 · 100% still active
13,633 active24 sunset
Still active
100%
Median lifespan
4.9y