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GUIDE: How To Design Lead Nurturing, Lead Scoring, and Drip Email Campaigns
Lead Nurturing, Lead Scoring, Drip Email Campaigns [Messaging, Sales, Marketing]
last checked Jul 14, 2026 · HTTP 403
CohortClass of 2016What it is
Lead Nurturing, Lead Scoring, Drip Email Campaigns [Messaging, Sales, Marketing]
HTTP liveness
17 probes since May 26May 26Jul 14
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 20, 2026Probe inconclusiveCloudflare block
- Jun 18, 2026Back onlineAlive · 200 OK
- Jun 17, 2026Probe inconclusiveCloudflare block
- Jun 16, 2026Back onlineAlive · 200 OK
- Jun 12, 2026Probe inconclusiveCloudflare block
- Jun 9, 2026Back onlineAlive · 200 OK
- May 26, 2026First probe — unverifiedCloudflare block
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Pulse Indexobserved activity
17 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2016weekly
13,657 products launched in 2016 · 100% still active
13,633 active24 sunset
Still active
100%
Median lifespan
4.9y