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Web: Decoded
Web: Decoded is an educational resource that explores the foundational principles and motivations driving web development technologies
last checked Jul 12, 2026 · HTTP 403
CohortClass of 2016What it is
Web: Decoded is an educational resource that explores the foundational principles and motivations driving web development technologies. It shifts focus from implementation details to the underlying reasoning and design philosophy behind modern web tools and frameworks.
HTTP liveness
9 probes since Jun 16Jun 16Jul 12
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jul 4, 2026Probe inconclusiveCloudflare block
- Jun 23, 2026Went darkDead · 404
- Jun 17, 2026Probe inconclusiveCloudflare block
- Jun 16, 2026First probe — downDead · 404
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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