B
Evidence Grade B
Graded
under review
Safe to Cite
Current
22%
22% -- open rate for email sequences (control) (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
22%
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.
Score breakdown
Extraction
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Sources (5)
SendroAI
Primary
Tier B
https://sendro.ai/guides/cold-outreach-sequences/ab-testing-sequences ↗
Source Article
A/b Testing Email Sequences?
A/B testing email sequences is the most reliable way to optimize your cold outreach performance in 2026. Instead of guessing what resonates with your ICP, you isolate single variables—such as subject lines, send times, or opening hooks—and measure their impact on reply rates and conversions. This da…
Also cited by
practicalecommerce.com
https://www.practicalecommerce.com/
2026-08-17
forbes.com
https://www.forbes.com/
2026-08-17
brevo.com
https://www.brevo.com/
2026-08-17
amraandelma.com
https://www.amraandelma.com/
2026-08-17
Original Research
SendroAI
· Original study ↗
Methodology
Test ran for a minimum of 100-200 recipients per variant.
Segmentation
Industrymarketing
Cite this stat
Plain Text
email sequences (control): 22% open rate. Source: SendroAI (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ab-testing-email-sequences-open-rates-control
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<blockquote cite="https://lighthousedata.io/data/ab-testing-email-sequences-open-rates-control" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>22%</strong> -- open rate for email sequences (control)<br><small>Source: SendroAI (2026) · <a href="https://lighthousedata.io/data/ab-testing-email-sequences-open-rates-control" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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