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Tracking light pollution to find locations for stargazing [Web App, Photography]
verified Jul 13, 2026 · HTTP 200
CohortClass of 2018What it is
Tracking light pollution to find locations for stargazing [Web App, Photography]
HTTP liveness
21 probes since May 25May 25Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- May 25, 2026First probe — liveAlive · 200 OK
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Pulse Indexobserved activity
412/4 signal families
Liveness40%1.00
Press30%no data
GitHub20%no data
Tranco10%0.10
Weighted observed activity · updated Jul 13
Cohort survival · Class of 2018weekly
2,435 products launched in 2018 · 100% still active
2,425 active10 sunset
Still active
100%
Median lifespan
4.9y