B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
260,000
260,000 -- chatgpt referral unique domains monthly for ChatGPT (2025-10)
ChatGPT referral reach peaked at 260,000 unique domains monthly in October 2025.
- Represents peak referral reach before contracting to 170,000 in February 2026
- Based on Semrush clickstream data
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
260,000
Unit
Count
Data Vintage
2025-10
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
Semrush
Primary
Tier B
https://betteraisearch.com/tactics/fan-out-queries-geo ↗
Source Article
Fan-Out Query Coverage for AI Search
Original Research
Semrush
· Original study ↗
Methodology
Semrush clickstream data; contracted to 170,000 by February 2026
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
ChatGPT: 260,000 chatgpt referral unique domains monthly. Source: Semrush (2025-10). Via Lighthouse Intelligence -- https://lighthousedata.io/data/chatgpt-referral-domains-peak-2025
HTML Embed
<blockquote cite="https://lighthousedata.io/data/chatgpt-referral-domains-peak-2025" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>260,000</strong> -- chatgpt referral unique domains monthly for ChatGPT<br><small>Source: Semrush (2025-10) · <a href="https://lighthousedata.io/data/chatgpt-referral-domains-peak-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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