B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
20%
20% -- open rate improvement for B2B email/LinkedIn campaigns (2026)
Testing subject lines or CTAs can improve open rates by 20% to 30% in campaigns.
- Reported as a range (20–30%)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
20%
Unit
Percentage
Data Vintage
2026
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
SalesBread
Primary
Tier C
https://anypost.ai/blog/driving-growth-b2b-demand-generation-agency-services ↗
Source Article
Driving Growth: B2B Demand Generation Agency Services
Original Research
SalesBread
· Original study ↗
Methodology
Range 20-30%; midpoint used. Attributed to SalesBread campaigns.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
B2B email/LinkedIn campaigns: 20% open rate improvement. Source: SalesBread (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ab-testing-open-rate-lift-2026
HTML Embed
<blockquote cite="https://lighthousedata.io/data/ab-testing-open-rate-lift-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>20%</strong> -- open rate improvement for B2B email/LinkedIn campaigns<br><small>Source: SalesBread (2026) · <a href="https://lighthousedata.io/data/ab-testing-open-rate-lift-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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