B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
6%
6% -- repeat purchase rate lift for ecommerce customers (2026)
Conditional free shipping threshold increases repeat purchase rates by 6-9%.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
6%
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
75
Source Trust
60
Citation Chain
60
Independence
30
Methodology
45
Freshness
95
Source
Narvar
Primary
Tier B
https://webmedic.com/ecommerce-free-shipping-strategy ↗
Source Article
Free Shipping Strategy for Ecommerce | WebMedic
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What Is a Free Shipping Strategy in Ecommerce?
Shipping kills more sales than price.
A free shipping strategy is a pricing approac…
Original Research
Narvar
· Original study ↗
Methodology
Repeat purchase rate increase with free shipping, cited to Narvar Returns Report; midpoint of 6-9% range used; year not stated.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
ecommerce customers: 6% repeat purchase rate lift. Source: Narvar (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/free-shipping-repeat-purchase-lift
HTML Embed
<blockquote cite="https://lighthousedata.io/data/free-shipping-repeat-purchase-lift" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>6%</strong> -- repeat purchase rate lift for ecommerce customers<br><small>Source: Narvar (2026) · <a href="https://lighthousedata.io/data/free-shipping-repeat-purchase-lift" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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