B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
15.8%
15.8% -- engagement rate for Zamnesia (German storefront) (2026)
On Zamnesia's German storefront, a free-product welcome offer achieved a 15.8% engagement rate.
- Results from a head-to-head A/B test on a single storefront (Germany)
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
15.8%
Unit
Percentage
Data Vintage
2026
Entity
Geography
EMEA
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
95
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Wisepops
Primary
Tier A
https://wisepops.com/customers/zamnesia ↗
Source Article
How Zamnesia activates 250M visitors a year across 11 storefronts
How Zamnesia activates 250M visitors a year across 11 storefronts
Read summarized version with
About Zamnesia
Zamnesia, run by Just Amazing BV, is one of Europe's most recognised online smartshops. Founded in Amsterdam around 2011, the company sells cannabis seeds, functional mushroom products, vapo…
Original Research
Wisepops
· Original study ↗
Methodology
Head-to-head test of free-product versus cash discount welcome offers.
Methodology documented
Segmentation
IndustryRetail
RegionEMEA
Channelemail
Cite this stat
Plain Text
Zamnesia (German storefront): 15.8% engagement rate. Source: Wisepops (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/zamnesia_engagement_rate_germany
HTML Embed
<blockquote cite="https://lighthousedata.io/data/zamnesia_engagement_rate_germany" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>15.8%</strong> -- engagement rate for Zamnesia (German storefront)<br><small>Source: Wisepops (2026) · <a href="https://lighthousedata.io/data/zamnesia_engagement_rate_germany" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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