B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
49%
49% -- cart abandonment share for Ecommerce cart abandonments caused by shipping cost surprise (2026)
Shipping cost surprises cause 49% of cart abandonments, making it the top cause of abandonment according to Baymard research.
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Lighthouse Research Team
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Source verified
Evidence graded
Value
49%
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.peasy.nu/blog/how-to-optimize-product-pages-for-higher-conversions ↗
Source Article
Product page optimization: 12 Changes That Increase Conversions (2026)
Product page optimization: 12 Changes That Increase Conversions (2026)
A tactical guide to improving product pages—plus a systematic “diagnose → implement → measure” approach with baseline metrics so you can prove what actually moved conversions.
Your product page isn't broken where you think it is.…
Original Research
Baymard Institute
· Original study ↗
Methodology
Cited as the #1 cart abandonment cause per Baymard research.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Ecommerce cart abandonments caused by shipping cost surprise: 49% cart abandonment share. Source: Baymard Institute (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/shipping-cost-cart-abandonment-share
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<blockquote cite="https://lighthousedata.io/data/shipping-cost-cart-abandonment-share" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>49%</strong> -- cart abandonment share for Ecommerce cart abandonments caused by shipping cost surprise<br><small>Source: Baymard Institute (2026) · <a href="https://lighthousedata.io/data/shipping-cost-cart-abandonment-share" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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