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DZone's Guide to Performance and Monitoring
A comprehensive guide designed to help developers understand performance optimization and monitoring best practices
last checked Jul 12, 2026 · Unknown
CohortClass of 2016What it is
A comprehensive guide designed to help developers understand performance optimization and monitoring best practices. Provides actionable strategies to identify system bottlenecks and improve application responsiveness. Equips teams with knowledge to deliver faster, more reliable user experiences.
HTTP liveness
9 probes since Jun 16Jun 16Jul 12
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 16, 2026First probe — unverifiedUnknown
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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 2016weekly
13,657 products launched in 2016 · 100% still active
13,633 active24 sunset
Still active
100%
Median lifespan
4.9y