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Bookz Mobile & Web App Tutorial
An educational tutorial series designed to help developers build mobile and web applications using practical, real-world examples
last checked Jul 15, 2026 · HTTP 403
CohortClass of 2026What it is
An educational tutorial series designed to help developers build mobile and web applications using practical, real-world examples. Part of the Alphabitz Educational Series, it serves as a starting point for creating your own projects with guidance from experienced developers sharing their knowledge.
HTTP liveness
10 probes since Jun 16Jun 16Jul 15
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jul 4, 2026Probe inconclusiveCloudflare block
- Jun 23, 2026Back onlineAlive · 200 OK
- Jun 21, 2026Probe inconclusiveCloudflare block
- Jun 20, 2026Back onlineAlive · 200 OK
- Jun 16, 2026First probe — unverifiedCloudflare block
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Pulse Indexobserved activity
10 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2026weekly
550 products launched in 2026 · 100% still active
550 active0 sunset
Still active
100%
Median lifespan
4.9y