B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
160
160 -- ai referral sessions for Claude.ai referral traffic to sites in 100-brand ecommerce dataset (2026-04)
In a 100-brand ecommerce dataset, Claude.ai generated approximately 160 total referral sessions over a 21-month period.
- Represents total sessions across the dataset over a 21-month observation period
- Approximate figure (~160)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
160
Unit
Count
Data Vintage
2026-04
Entity
Sample Size
100
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
Lawrence Hitches / StudioHawk
Primary
Tier B
https://www.lawrencehitches.com/how-to-measure-ai-search-traffic/ ↗
Source Article
How to Measure AI Search Traffic: GA4, Regex Filters & Attribution | Lawrence Hitches
You measure AI search traffic in Google Analytics 4 by filtering for known AI referral parameters — primarily utm_source=chatgpt.com
, perplexity.ai
, bing.com
(Copilot), and you.com
. These appear as referral traffic in GA4 and tell you exactly which AI platforms are sending users to your site.
Thi…
Original Research
Lawrence Hitches / StudioHawk
· Original study ↗
Methodology
First-party GA4 data from a 100-brand ecommerce dataset over a 21-month window; Claude is the smallest AI referral source in the set
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Claude.ai referral traffic to sites in 100-brand ecommerce dataset: 160 ai referral sessions. Source: Lawrence Hitches / StudioHawk (2026-04). Via Lighthouse Intelligence -- https://lighthousedata.io/data/claude-ai-referral-sessions-ecommerce
HTML Embed
<blockquote cite="https://lighthousedata.io/data/claude-ai-referral-sessions-ecommerce" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>160</strong> -- ai referral sessions for Claude.ai referral traffic to sites in 100-brand ecommerce dataset<br><small>Source: Lawrence Hitches / StudioHawk (2026-04) · <a href="https://lighthousedata.io/data/claude-ai-referral-sessions-ecommerce" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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