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Hello Ruby
An engaging illustrated storybook that introduces children to Ruby programming concepts through narrative and visual learning
last checked Jul 12, 2026 · HTTP 403
CohortClass of 2014What it is
An engaging illustrated storybook that introduces children to Ruby programming concepts through narrative and visual learning. Designed to make computer science accessible and fun for young learners by combining storytelling with technical education.
HTTP liveness
9 probes since Jun 16Jun 16Jul 12
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 21, 2026Probe inconclusiveCloudflare block
- Jun 20, 2026Back onlineAlive · 200 OK
- Jun 16, 2026First probe — unverifiedCloudflare block
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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 2014weekly
10,235 products launched in 2014 · 99% still active
10,131 active104 sunset
Still active
99%
Median lifespan
4.9y