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Code School
Learn to code with video lessons & coding challenges [Tech]
last checked Jul 12, 2026 · HTTP 403
CohortClass of 2014What it is
Learn to code with video lessons & coding challenges [Tech]
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 — unverifiedCloudflare block
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Pulse Indexobserved activity
152/4 signal families
Liveness40%0.20
Press30%no data
GitHub20%no data
Tranco10%0.74
Weighted observed activity · updated Jul 15
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