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eBook: Color Psychology For Startups
A free educational resource exploring how color perception influences design decisions and user experience
last checked Jul 13, 2026 · HTTP 403
CohortClass of 2026What it is
A free educational resource exploring how color perception influences design decisions and user experience. Created by an industry expert with 24+ years of experience, this guide helps founders and designers understand color psychology principles applicable to their target audiences.
HTTP liveness
9 probes since Jun 16Jun 16Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jul 13, 2026Probe inconclusiveCloudflare block
- Jun 16, 2026First probe — redirectedRedirected offsite
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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 2026weekly
567 products launched in 2026 · 100% still active
567 active0 sunset
Still active
100%
Median lifespan
4.9y