B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
23%
23% -- email response rate increase for Sales email subject lines referencing a mutual connection (Salesloft data) (2025)
Using subject lines referencing a mutual connection resulted in a 23% higher response rate according to Salesloft data.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
23%
Unit
Percentage
Data Vintage
2025
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
Salesloft
Primary
Tier C
https://nureply.com/blog/catchy-sales-email-subject-lines-effective-tips-and-strategies/ ↗
Source Article
Catchy Sales Email Subject Lines: Effective Tips And Strategies - Nureply
Catchy Sales Email Subject Lines: Effective Tips and Strategies
In a world overflowing with emails, how do you ensure that your message doesn’t end up lost in the abyss of unread inboxes? It all begins with an eye-catching subject line. Just like a book cover that draws readers in, your email subjec…
Original Research
Salesloft
· Original study ↗
Methodology
Attributed to Salesloft; cited secondhand in undated Nureply blog post (archived Nov 2025)
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Sales email subject lines referencing a mutual connection (Salesloft data): 23% email response rate increase. Source: Salesloft (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/salesloft-mutual-connection-response-rate
HTML Embed
<blockquote cite="https://lighthousedata.io/data/salesloft-mutual-connection-response-rate" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>23%</strong> -- email response rate increase for Sales email subject lines referencing a mutual connection (Salesloft data)<br><small>Source: Salesloft (2025) · <a href="https://lighthousedata.io/data/salesloft-mutual-connection-response-rate" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
Share
Related Statistics
Use this data in your work
Copy the citation, embed the widget, or explore thousands more verified marketing statistics -- all free.