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Synchronicity
Compare music libraries with your friends [iOS, Productivity, Music]
since Jun 21, 2026 · HTTP 200
CohortClass of 2017What it is
Compare music libraries with your friends [iOS, Productivity, Music]
HTTP liveness
11 probes since Jun 16Jun 16Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 21, 2026Redirected offsiteRedirected offsite
- Jun 20, 2026Back onlineAlive · 200 OK
- Jun 17, 2026Redirected offsiteRedirected offsite
- Jun 16, 2026First probe — unverifiedUnknown
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Pulse Indexobserved activity
162/4 signal families
Liveness40%0.40
Press30%no data
GitHub20%no data
Tranco10%0.02
Weighted observed activity · updated Jul 15
Cohort survival · Class of 2017weekly
13,497 products launched in 2017 · 100% still active
13,462 active35 sunset
Still active
100%
Median lifespan
4.9y