B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
35%
35% -- checkout flow conversion improvement for average checkout flow (2025)
The average checkout flow can improve its conversion rate by 35% through UX optimisations alone.
- Attributed to Baymard Institute research/estimates
- Improvement achieved through UX optimisations alone without changing the product
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
35%
Unit
Percentage
Data Vintage
2025
Entity
Geography
EMEA
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://baymard.com/ ↗
Source Article
UX Design and Conversion: Best Practices | Blog SEO Ighenatt
How does UX design influence the conversion rate of a website?
UX design directly impacts conversion through three levers: friction reduction (shorter forms increase submissions by 30–53%), clear visual hierarchy (CTAs in the visible area double the click-through rate) and trust (security badges and…
Original Research
Baymard Institute
· Original study ↗
Methodology
Source: Baymard Institute.
Methodology documented
Segmentation
IndustryRetail
RegionEMEA
Channelcontent
Cite this stat
Plain Text
average checkout flow: 35% checkout flow conversion improvement. Source: Baymard Institute (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ux-design-conversion-4
HTML Embed
<blockquote cite="https://lighthousedata.io/data/ux-design-conversion-4" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>35%</strong> -- checkout flow conversion improvement for average checkout flow<br><small>Source: Baymard Institute (2025) · <a href="https://lighthousedata.io/data/ux-design-conversion-4" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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