B
Evidence Grade B
Graded
under review
Safe to Cite
Recent
26%
26% -- personalized email subject line open rate uplift for Personalized email subject lines vs. non-personalized subject lines (2025)
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
26%
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
60
Independence
30
Methodology
35
Freshness
95
Source
Gartner
Primary
Tier C
https://blog.automatedsalesmachine.com/ideas-for-lead-generation/ ↗
Source Article
25 Proven Ideas for Lead Generation That Fill Your Pipeline Fast - The Conversion Feed
TL;DR: The best ideas for lead generation combine inbound content marketing, automation-powered follow-up, and relationship-driven outreach into a unified system — not isolated tactics. Small businesses that build a repeatable lead generation engine consistently outperform those chasing one-off camp…
Original Research
Gartner
· Original study ↗
Methodology
Relative uplift; baseline open rate not stated. Attribution not explicitly attached to this sentence; it appears within the passage citing Gartner's Marketing Research division. Article undated; vintage approximated to crawl year.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Personalized email subject lines vs. non-personalized subject lines: 26% personalized email subject line open rate uplift. Source: Gartner (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/personalized-subject-line-open-rate-uplift
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<blockquote cite="https://lighthousedata.io/data/personalized-subject-line-open-rate-uplift" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>26%</strong> -- personalized email subject line open rate uplift for Personalized email subject lines vs. non-personalized subject lines<br><small>Source: Gartner (2025) · <a href="https://lighthousedata.io/data/personalized-subject-line-open-rate-uplift" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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