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Sulpr
A free marketing newsletter providing actionable tips and strategies curated exclusively for email subscribers
last checked Jul 13, 2026 · Unknown
CohortClass of 2026What it is
A free marketing newsletter providing actionable tips and strategies curated exclusively for email subscribers. Designed for busy professionals, each edition delivers valuable insights in approximately 5 minutes. Stay ahead with proven marketing techniques shared only with the community.
HTTP liveness
11 probes since May 23May 23Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 16, 2026Probe inconclusiveUnknown
- May 23, 2026First probe — liveAlive · 200 OK
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Pulse Indexobserved activity
11 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2026weekly
550 products launched in 2026 · 100% still active
550 active0 sunset
Still active
100%
Median lifespan
4.9y