B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
40%
40% -- cart abandonment reason share for Ecommerce shoppers citing extra costs too high (shipping, tax, fees) as cart abandonment reason (2026)
40% of ecommerce cart abandonment (among addressable reasons / Baymard analysis) is due to extra costs being too high (shipping, tax, fees).
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
40%
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Baymard Institute
Primary
Tier C
https://www.awesomic.com/blog/best-ux-design-practices ↗
Source Article
Best UX Design Practices for 2026 to Improve User Experience Fast
Best UX Design Practices for 2026 to Improve User Experience Fast
Key takeaways:
- Jakob Nielsen's 10 usability heuristics have not changed since 1994, and most "new" UX advice is a restatement of one of them. Learn the ten and you can derive the rest.
- Baymard Institute's analysis of 50 studies pu…
Original Research
Baymard Institute
· Original study ↗
Methodology
Top-ranked reason in Baymard Institute cart abandonment analysis of 50 studies; reason percentages sum to more than 100%, implying multiple reasons per case
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Ecommerce shoppers citing extra costs too high (shipping, tax, fees) as cart abandonment reason: 40% cart abandonment reason share. Source: Baymard Institute (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/cart-abandonment-reason-extra-costs-40pct
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<blockquote cite="https://lighthousedata.io/data/cart-abandonment-reason-extra-costs-40pct" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>40%</strong> -- cart abandonment reason share for Ecommerce shoppers citing extra costs too high (shipping, tax, fees) as cart abandonment reason<br><small>Source: Baymard Institute (2026) · <a href="https://lighthousedata.io/data/cart-abandonment-reason-extra-costs-40pct" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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