B
Evidence Grade B
Graded
under review
Safe to Cite
Current
70%
70% -- daily email checking rate for Polish internet users (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
70%
Unit
Percentage
Data Vintage
2026
Entity
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
IIBR
Primary
Tier C
https://asaricrm.com/skuteczny-e-mail-marketing-i-newsletter/ ↗
Source Article
Skuteczny e-mail marketing w ASARI CRM
Original Research
IIBR
· Original study ↗
Methodology
Cited IIBR research, details not stated
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Polish internet users: 70% daily email checking rate. Source: IIBR (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/poland-email-daily-check
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<blockquote cite="https://lighthousedata.io/data/poland-email-daily-check" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>70%</strong> -- daily email checking rate for Polish internet users<br><small>Source: IIBR (2026) · <a href="https://lighthousedata.io/data/poland-email-daily-check" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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