B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Dated
93%
93% -- email response rate lift for outreach emails sent to multiple contacts (2019)
The response rate of outreach messages sent to several contacts is 93% higher than messages sent to a single person.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
93%
Unit
Percentage
Data Vintage
2019
Entity
Sample Size
12,000,000
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
Backlinko
Primary
Tier C
https://apollollc.com/improve-how-you-email-research/ ↗
Source Article
Improve How You Email (Research)
Original Research
Backlinko
· Original study ↗
Methodology
Backlinko analysis of 12 million outreach emails
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
outreach emails sent to multiple contacts: 93% email response rate lift. Source: Backlinko (2019). Via Lighthouse Intelligence -- https://lighthousedata.io/data/multiple-contacts-93-lift
HTML Embed
<blockquote cite="https://lighthousedata.io/data/multiple-contacts-93-lift" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>93%</strong> -- email response rate lift for outreach emails sent to multiple contacts<br><small>Source: Backlinko (2019) · <a href="https://lighthousedata.io/data/multiple-contacts-93-lift" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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