B
Evidence Grade B
Graded
under review
Safe to Cite
Current
35%
35% -- email response rate for second email (2026)
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
35%
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
95
Source Trust
50
Citation Chain
90
Independence
30
Methodology
45
Freshness
86
Source
SumaCRM
Primary
Tier A
https://ecommerce-news.es/10-los-emails-frios-acaban-venta/ ↗
Source Article
El 10% de los emails fríos, acaban en venta - Ecommerce News
La startup madrileña SumaCRM ha hecho una prueba real sobre el uso del correo electrónico para la venta, publicando los resultados en su blog. Según los datos obtenidos, el 10% de los resultados son positivos, y se necesitan entre 2 y 5 días y 3 electrónicos para finalizar o no una venta.
En cuanto …
Original Research
SumaCRM
· Original study ↗
Methodology
Real test conducted by SumaCRM on email usage for sales.
Segmentation
Channelcommon_crawl
Cite this stat
Plain Text
second email: 35% email response rate. Source: SumaCRM (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/second-email-response-rate
HTML Embed
<blockquote cite="https://lighthousedata.io/data/second-email-response-rate" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>35%</strong> -- email response rate for second email<br><small>Source: SumaCRM (2026) · <a href="https://lighthousedata.io/data/second-email-response-rate" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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