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BookAuthority
Personalized book recommendations from top industry leaders — BookAuthority is a service that gives you personalized book recommendations from top industry leaders [Web App, Productivity, History Books]
last checked Jul 13, 2026 · HTTP 429
CohortClass of 2017What it is
Personalized book recommendations from top industry leaders — BookAuthority is a service that gives you personalized book recommendations from top industry leaders [Web App, Productivity, History Books]
HTTP liveness
13 probes since Jun 13Jun 13Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 13, 2026First probe — unverifiedUnknown
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Pulse Indexobserved activity
142/4 signal families
Liveness40%0.20
Press30%no data
GitHub20%no data
Tranco10%0.61
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