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AppGrowthLab.com (by SplitMetrics)
55 app growth lessons from 30 app marketing experts — AppGrowthLab is a free easy to follow app growth course handcrafted by 30 app marketing experts from SplitMetrics, AppsFlyer, Buffer, Rovio, Google and other companies
since Jun 12, 2026 · HTTP 521
CohortClass of 2017What it is
55 app growth lessons from 30 app marketing experts — AppGrowthLab is a free easy to follow app growth course handcrafted by 30 app marketing experts from SplitMetrics, AppsFlyer, Buffer, Rovio, Google and other companies. You can study progressively with weekly modules received by Email or Facebook Messenger. [Marketing, Education, Apple]
HTTP liveness
12 probes since Jun 12Jun 12Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 12, 2026First probe — downDead · 5xx
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Pulse Indexobserved activity
12 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
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