B Evidence Grade B Graded accuracy verified by the review judge Safe to Cite Recent

50%

50% -- lead acquisition loss rate for email marketing (foreign MA platforms) (2025)

2025  · adtrip.pl

Włączenie domyślnej w zagranicznych systemach MA funkcji double opt-in może uciąć skuteczność pozyskiwania leadów nawet o 50%.

  • Dotyczy włączenia domyślnej funkcji podwójnego potwierdzenia zapisu (double opt-in)
  • Wartość maksymalna ("nawet o 50 procent")
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Attribution: adtrip.pl View source
Lighthouse Research Team
Last verified:  ·  How we verify data →
Source verified Evidence graded
Value
50%
Unit
Percentage
Data Vintage
2025
Entity
email marketing (foreign MA platforms)
B
Strong, reliable evidence

Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.

60/100 confidence

Single source - not yet corroborated

Extraction
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
adtrip.pl Primary Tier C
https://www.adtrip.pl/post/klaviyo-vs-alternatywne-narzedzia-ma-dla-cateringow-dietetycznych ↗
Confidence: 48/100 Vintage: 2025 Channel: Deep Crawl
Source Article
Klaviyo vs alternatywne narzędzia MA dla cateringów dietetycznych | Adtrip Blog - Adtrip
Spis treści - Specyfika branży - dlaczego LTV decyduje o przetrwaniu - Klaviyo - zaawansowana analityka na sterydach - Trudności techniczne - dlaczego zachodnie systemy sprawiają problemy w Polsce - Polskie oprogramowanie - edrone, SALESmanago i GetResponse w praktyce - Scenariusze generujące przych…
Original Research
adtrip.pl · Original study ↗

Cited from email marketing optimization agency reports

Methodology documented
Industrymarketing
Plain Text
email marketing (foreign MA platforms): 50% lead acquisition loss rate. Source: adtrip.pl (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/double-opt-in-lead-loss-50
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<blockquote cite="https://lighthousedata.io/data/double-opt-in-lead-loss-50" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>50%</strong> -- lead acquisition loss rate for email marketing (foreign MA platforms)<br><small>Source: adtrip.pl (2025) · <a href="https://lighthousedata.io/data/double-opt-in-lead-loss-50" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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