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Ruby Dojo
Bite-sized Ruby lessons, learn Ruby and coding on-the-go! [iOS, Developer Tools, Tech]
since Jun 16, 2026 · HTTP 404
CohortClass of 2016What it is
Bite-sized Ruby lessons, learn Ruby and coding on-the-go! [iOS, Developer Tools, Tech]
HTTP liveness
11 probes since Jun 16Jun 16Jul 14
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 20, 2026Went darkDead · 404
- Jun 19, 2026Probe inconclusiveUnknown
- Jun 16, 2026First probe — downDead · 404
Discussion 0 comments
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Pulse Indexobserved activity
11 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