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FatCoupon
FatCoupon is a browser extension that automatically finds, validates, and applies working discount codes during online shopping
verified Jul 13, 2026 · HTTP 200
CohortClass of 2026What it is
FatCoupon is a browser extension that automatically finds, validates, and applies working discount codes during online shopping. The platform curates and tests promo codes across merchants to ensure reliable savings at checkout without manual effort.
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 — liveAlive · 200 OK
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Pulse Indexobserved activity
482/4 signal families
Liveness40%1.00
Press30%no data
GitHub20%no data
Tranco10%0.79
Weighted observed activity · updated Jul 15
Cohort survival · Class of 2026weekly
567 products launched in 2026 · 100% still active
567 active0 sunset
Still active
100%
Median lifespan
4.9y