B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
$20,000,000,000
$20,000,000,000 -- combined revenue of studied websites for ecommerce websites in Marketing Science study (2026)
The 973 ecommerce websites analyzed in the 2026 Marketing Science study represented a combined total of $20 billion in revenue.
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
$20,000,000,000
Unit
Currency Usd
Data Vintage
2026
Entity
Sample Size
973
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
Marketing Science (journal study)
Primary
Tier B
https://www.anagram.ai/blog/does-chatgpt-traffic-convert-better-2026 ↗
Source Article
Does ChatGPT Traffic Convert Better? Why AI Sends Fewer but Higher-Intent Visitors in 2026
Original Research
Marketing Science (journal study)
· Original study ↗
Methodology
First-party ecommerce dataset of 973 websites
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
ecommerce websites in Marketing Science study: $20,000,000,000 combined revenue of studied websites. Source: Marketing Science (journal study) (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/llm-study-dataset-scope-2026
HTML Embed
<blockquote cite="https://lighthousedata.io/data/llm-study-dataset-scope-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>$20,000,000,000</strong> -- combined revenue of studied websites for ecommerce websites in Marketing Science study<br><small>Source: Marketing Science (journal study) (2026) · <a href="https://lighthousedata.io/data/llm-study-dataset-scope-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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