B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
30%
30% -- response rate lift for direct mail campaigns using PURLs (2025)
Adding PURLs to direct mail campaigns can boost response rates by 30% to 100%.
- Secondary citation of unnamed studies
- Reported as a range (30% to 100%)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
30%
Unit
Percentage
Data Vintage
2025
Entity
Geography
US
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
birdseyepost.com
Primary
Tier C
https://birdseyepost.com/blog/5-ways-to-track-direct-mail-campaign-performance ↗
Source Article
5 Ways to Track Direct Mail Campaign Performance
Original Research
birdseyepost.com
· Original study ↗
Methodology
Range reported (30%-100%); midpoint used. Secondary citation of unnamed studies.
Methodology documented
Segmentation
IndustryRetail
RegionUS
RoleAll marketers
Channelevents
Cite this stat
Plain Text
direct mail campaigns using PURLs: 30% response rate lift. Source: birdseyepost.com (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/purls-boost-response-rates
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<blockquote cite="https://lighthousedata.io/data/purls-boost-response-rates" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>30%</strong> -- response rate lift for direct mail campaigns using PURLs<br><small>Source: birdseyepost.com (2025) · <a href="https://lighthousedata.io/data/purls-boost-response-rates" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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