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Exercism
Exercism provides daily coding challenges across multiple programming languages with community-driven code reviews
since Jun 16, 2026 · HTTP 200
CohortClass of 2013What it is
Exercism provides daily coding challenges across multiple programming languages with community-driven code reviews. Students solve practice problems and receive detailed feedback from experienced developers. It combines self-paced learning with collaborative code review to accelerate programming skill development.
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 — redirectedRedirected offsite
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Pulse Indexobserved activity
222/4 signal families
Liveness40%0.40
Press30%no data
GitHub20%no data
Tranco10%0.64
Weighted observed activity · updated Jul 15
Cohort survival · Class of 2013weekly
453 products launched in 2013 · 96% still active
437 active16 sunset
Still active
96%
Median lifespan
4.9y