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Upcase by thoughtbot
Upcase is a free educational platform offering comprehensive training in test-driven development, developer tools, modern frameworks, and software engineering best practices
last checked Jul 12, 2026 · Timeout
CohortClass of 2026What it is
Upcase is a free educational platform offering comprehensive training in test-driven development, developer tools, modern frameworks, and software engineering best practices. It provides curated courses and resources designed to help developers build scalable, maintainable applications through practical knowledge from thoughtbot's industry expertise.
HTTP liveness
9 probes since Jun 16Jun 16Jul 12
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jul 12, 2026Probe inconclusiveTimeout
- Jun 16, 2026First probe — liveAlive · 200 OK
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Pulse Indexobserved activity
162/4 signal families
Liveness40%0.20
Press30%no data
GitHub20%no data
Tranco10%0.78
Weighted observed activity · updated Jul 15
Cohort survival · Class of 2026weekly
550 products launched in 2026 · 100% still active
550 active0 sunset
Still active
100%
Median lifespan
4.9y