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Mobile App Quality Handbook
A comprehensive guide for developers to enhance mobile app quality through performance monitoring, stability benchmarks, and advanced testing strategies
verified Jul 13, 2026 · HTTP 200
CohortClass of 2026What it is
A comprehensive guide for developers to enhance mobile app quality through performance monitoring, stability benchmarks, and advanced testing strategies. Covers essential metrics for Android apps and practical solutions to identify and fix common crashes while improving test coverage.
HTTP liveness
9 probes since Jun 16Jun 16Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 16, 2026First probe — liveAlive · 200 OK
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Pulse Indexobserved activity
452/4 signal families
Liveness40%1.00
Press30%no data
GitHub20%no data
Tranco10%0.52
Weighted observed activity · updated Jul 15
Cohort survival · Class of 2026weekly
550 products launched in 2026 · 100% still active
550 active0 sunset
Still active
100%
Median lifespan
4.9y