B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
10%
10% -- sales conversion lift for e-commerce emails with customer ratings (2025)
Including customer ratings in emails increases sales conversions by at least 10%.
- The source states 'at least 10%' rather than an exact figure.
- Original research from Reevoo/Revoo without detailed study methodology or time period specified.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
10%
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
20
Independence
30
Methodology
45
Freshness
95
Source
Reevoo
Primary
Tier C
http://reviewgrower.com/why-online-customer-reviews-are-the-ultimate-salesperson-for-ecommerce/ ↗
Source Article
Why Online Customer Reviews Are the Ultimate Salesperson for E-commerce - Reviewgrower
With so many online products and services, it can take time for customers to make an informed decision when purchasing. That’s where customer reviews come in.
This blog post will explore why online customer reviews have become essential to any successful e-commerce business strategy.
Address Consume…
Original Research
Reevoo
· Original study ↗
Methodology
Blog cites Reevoo (Revoo) research stating including customer ratings in emails increases sales conversions by a floor of at least 10%. No date, sample size, or methodology provided for the underlying study; value is a stated minimum, not a midpoint.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
e-commerce emails with customer ratings: 10% sales conversion lift. Source: Reevoo (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/reevoo-email-customer-ratings-conversion-lift
HTML Embed
<blockquote cite="https://lighthousedata.io/data/reevoo-email-customer-ratings-conversion-lift" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>10%</strong> -- sales conversion lift for e-commerce emails with customer ratings<br><small>Source: Reevoo (2025) · <a href="https://lighthousedata.io/data/reevoo-email-customer-ratings-conversion-lift" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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