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eBook: Lead developer
A comprehensive guide designed to help lead developers master their role through proven practices and actionable tools
verified Jul 13, 2026 · HTTP 200
CohortClass of 2026What it is
A comprehensive guide designed to help lead developers master their role through proven practices and actionable tools. The eBook covers leadership strategies for managing yourself, collaborating with peers, and communicating with business stakeholders. Available in multiple digital formats including PDF, Mobi, and ePub.
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
9 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