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Comet Courses
Learn mobile app development through concise, video-free courses designed for focused 2-3 hour learning sessions
last checked Jul 14, 2026 · Unknown
CohortClass of 2026What it is
Learn mobile app development through concise, video-free courses designed for focused 2-3 hour learning sessions. Each course delivers practical, immediately applicable skills for building real-world applications efficiently.
HTTP liveness
10 probes since Jun 16Jun 16Jul 14
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 16, 2026First probe — unverifiedUnknown
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Pulse Indexobserved activity
10 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2026weekly
567 products launched in 2026 · 100% still active
567 active0 sunset
Still active
100%
Median lifespan
4.9y