B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
20%
20% -- purchase task failure rate due to insufficient product information for ecommerce shoppers (2026)
20% of overall e-commerce task failures (failing to successfully complete a purchase when asked to do so) were attributed to incomplete or unclear product information.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
20%
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Nielsen Norman Group
Primary
Tier B
https://answerbase.com/prestashop-product-questions-and-answers-addon/ ↗
Source Article
Prestashop Product Questions
Original Research
Nielsen Norman Group
· Original study ↗
Methodology
NN/g e-commerce usability studies, cited by Answerbase
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
ecommerce shoppers: 20% purchase task failure rate due to insufficient product information. Source: Nielsen Norman Group (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/nngroup-conversion-failures-product-info-20
HTML Embed
<blockquote cite="https://lighthousedata.io/data/nngroup-conversion-failures-product-info-20" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>20%</strong> -- purchase task failure rate due to insufficient product information for ecommerce shoppers<br><small>Source: Nielsen Norman Group (2026) · <a href="https://lighthousedata.io/data/nngroup-conversion-failures-product-info-20" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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