B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
20%
20% -- conversion lift from showing reviews for ecommerce sites (2025)
Displaying product/online reviews can lift conversions by 20%.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
20%
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
PowerReviews
Primary
Tier B
https://www.wonderflow.ai/blog/how-culture-shapes-online-reviews ↗
Source Article
How Culture Shapes Online Reviews: A Global Insight | Wonderflow
Sell the same product in Tokyo and Toronto, and you won’t get the same kind of review. Culture doesn’t just shape what people buy - it shapes how they talk about it. At least that is what studies suggest (Barbro et al., 2020; Hong et al., 2016). To test this, we analyzed over 11 million VoC data acr…
Original Research
PowerReviews
· Original study ↗
Methodology
Cited from PowerReviews 'The Complete Guide to Ratings & Reviews' (2025)
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
ecommerce sites: 20% conversion lift from showing reviews. Source: PowerReviews (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/reviews-lift-conversions-20-percent
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<blockquote cite="https://lighthousedata.io/data/reviews-lift-conversions-20-percent" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>20%</strong> -- conversion lift from showing reviews for ecommerce sites<br><small>Source: PowerReviews (2025) · <a href="https://lighthousedata.io/data/reviews-lift-conversions-20-percent" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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