B
Evidence Grade B
Graded
under review
Safe to Cite
Current
50%
50% -- open rate lift vs generic messages for LinkedIn InMail (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
50%
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
betterworld.org
Primary
Tier C
https://betterworld.org/blog/schools/ways-to-promote-your-school-fundraising-with-social-media/ ↗
Source Article
36 ways to promote your school fundraising with social media
Original Research
betterworld.org
· Original study ↗
Methodology
Blog citing unspecified research
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
LinkedIn InMail: 50% open rate lift vs generic messages. Source: betterworld.org (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/personalized-inmail-open-rate-lift
HTML Embed
<blockquote cite="https://lighthousedata.io/data/personalized-inmail-open-rate-lift" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>50%</strong> -- open rate lift vs generic messages for LinkedIn InMail<br><small>Source: betterworld.org (2026) · <a href="https://lighthousedata.io/data/personalized-inmail-open-rate-lift" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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