B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
35.26%
35.26% -- conversion rate increase for large ecommerce sites (2026)
The average large ecommerce site could achieve a 35.26% increase in conversion rate by resolving documented checkout usability issues.
- Achieved specifically by fixing documented checkout usability issues
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
35.26%
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
95
Source Trust
50
Citation Chain
90
Independence
70
Methodology
45
Freshness
79
Source
Baymard Institute
Primary
Tier A
https://blog.99coupons.ai/shopping-cart-abandonment-stats ↗
Source Article
Cart Abandonment Statistics (2026): 40+ Key Facts
40+ Shopping Cart Abandonment Statistics for 2026
The single biggest leak in online retail is not the ad budget, the SEO, or the homepage. It is the few inches of screen between “add to cart” and “order confirmed.” Across decades of compiled research, roughly seven in ten shoppers who add a product …
Original Research
Baymard Institute
· Original study ↗
Methodology
Baymard's findings on fixing checkout usability issues.
Segmentation
Channelcommon_crawl
Cite this stat
Plain Text
large ecommerce sites: 35.26% conversion rate increase. Source: Baymard Institute (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/conversion-lift-large-ecommerce-sites-2026
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<blockquote cite="https://lighthousedata.io/data/conversion-lift-large-ecommerce-sites-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>35.26%</strong> -- conversion rate increase for large ecommerce sites<br><small>Source: Baymard Institute (2026) · <a href="https://lighthousedata.io/data/conversion-lift-large-ecommerce-sites-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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