B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
39%
39% -- share of abandoners citing extra costs for Ecommerce cart abandoners (2025)
39% of ecommerce cart abandoners cite extra costs such as shipping, taxes, and fees as a reason for abandoning their cart.
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Lighthouse Research Team
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Evidence graded
Value
39%
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
Baymard Institute
Primary
Tier B
https://kirro.io/cro-metrics ↗
Source Article
CRO Metrics: 10 KPIs That Actually Drive Conversions
The CRO metrics that matter most are segmented conversion rate, revenue per visitor, and bounce rate by traffic source. Not the 15 metrics your analytics dashboard shows you by default. Most teams track too many numbers and act on none of them. That’s not measurement. That’s hoarding. Getting the CR…
Original Research
Baymard Institute
· Original study ↗
Methodology
Baymard Institute research on abandonment reasons
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Ecommerce cart abandoners: 39% share of abandoners citing extra costs. Source: Baymard Institute (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/abandon-extra-costs-39
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<blockquote cite="https://lighthousedata.io/data/abandon-extra-costs-39" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>39%</strong> -- share of abandoners citing extra costs for Ecommerce cart abandoners<br><small>Source: Baymard Institute (2025) · <a href="https://lighthousedata.io/data/abandon-extra-costs-39" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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