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Buoy by Turnstone
Buoy is a seat that's as active as you are [Home, Tech]
verified Jul 14, 2026 · HTTP 200
CohortClass of 2017What it is
Buoy is a seat that's as active as you are [Home, Tech]
HTTP liveness
11 probes since Jun 16Jun 16Jul 14
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 24, 2026Back onlineAlive · 200 OK
- Jun 23, 2026Went darkDead · 5xx
- Jun 16, 2026First probe — liveAlive · 200 OK
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Pulse Indexobserved activity
462/4 signal families
Liveness40%0.94
Press30%no data
GitHub20%no data
Tranco10%0.86
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