B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
9%
9% -- email response rate increase for outreach emails (2025)
Including social profile links in outreach emails boosted response rates by up to 9% based on an analysis of over 10 million outreach emails.
- boosted response rates by up to 9%
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
9%
Unit
Percentage
Data Vintage
2025
Entity
Sample Size
10,000,000
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
75
Source Trust
60
Citation Chain
60
Independence
30
Methodology
45
Freshness
95
Source
Pitchbox
Primary
Tier B
https://digiground.com.au/proven-content-marketing-strategies/ ↗
Source Article
Boost Web Traffic: 8 Proven Content Marketing Strategies
Powerful content marketing strategies! To stand out in the ever-increasing competition of content marketing, you need to implement effective strategies that attract quality traffic to your website. In this article, we provide a comprehensive list of eight tried-and-true content marketing tips, techn…
Original Research
Pitchbox
· Original study ↗
Methodology
Pitchbox analysis of over 10 million outreach emails
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
outreach emails: 9% email response rate increase. Source: Pitchbox (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/outreach-email-social-link-response-rate
HTML Embed
<blockquote cite="https://lighthousedata.io/data/outreach-email-social-link-response-rate" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>9%</strong> -- email response rate increase for outreach emails<br><small>Source: Pitchbox (2025) · <a href="https://lighthousedata.io/data/outreach-email-social-link-response-rate" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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