B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Dated
23%
23% -- email open rate for HaleyMail client's email campaign (2018)
23% of the 762 recipients opened an email sent out by a HaleyMail client listing top available candidates.
- single client case study example
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
23%
Unit
Percentage
Data Vintage
2018
Entity
Sample Size
762
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Score breakdown
Extraction
95
Source Trust
60
Citation Chain
20
Independence
30
Methodology
30
Freshness
95
Sources (3)
Haley Marketing Group
Primary
Tier A
https://www.haleymarketing.com/2018/08/29/measuring-marketing-roi-in-staffing-email-marketing-and-ye… ↗
Source Article
Measuring Marketing ROI in Staffing - Email Marketing and yes, your Website! (part 3 of 3) - Haley Marketing Group
The good thing about using email marketing is that there are several easy and effective techniques you can use to measure your success.
E-mail Marketing
The great thing about e-mail marketing is that most e-mail marketing tools come with built in reporting features that allow you to measure the effe…
Also cited by
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https://www.demandsage.com/
2026-08-18
brevo.com
https://www.brevo.com/
2026-08-18
Original Research
Haley Marketing Group
· Original study ↗
Segmentation
IndustryMarketing & Advertising
RoleAll marketers
Channelemail
Cite this stat
Plain Text
HaleyMail client's email campaign: 23% email open rate. Source: Haley Marketing Group (2018). Via Lighthouse Intelligence -- https://lighthousedata.io/data/email_open_rate_haleymail_client
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<blockquote cite="https://lighthousedata.io/data/email_open_rate_haleymail_client" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>23%</strong> -- email open rate for HaleyMail client's email campaign<br><small>Source: Haley Marketing Group (2018) · <a href="https://lighthousedata.io/data/email_open_rate_haleymail_client" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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