C
Evidence Grade C
Graded
accuracy verified by the review judge
Use with Hedging
Current
75.96%
75.96% -- ai referral traffic share for ChatGPT (2026)
Worldwide, ChatGPT accounted for 75.96% of all AI referral traffic in 2026 (Jan–May).
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
75.96%
Unit
Percentage
Data Vintage
2026
Entity
Sample Size
101,574
Evidence Quality
C
Moderate quality evidence
Useful directional data with some methodological gaps. Treat as indicative rather than definitive -- corroborate before citing in formal research.
Score breakdown
Extraction
95
Source Trust
50
Citation Chain
90
Independence
30
Methodology
45
Freshness
86
Sources (2)
SE Ranking
Primary
Tier A
https://seranking.com/blog/chatgpt-referral-traffic-may-2026/ ↗
Source Article
Referral traffic from ChatGPT hit its all-time peak, jumping 36.7% in May 2026. Was it a one-month anomaly or a broader shift?
Analysis of 101,574 websites shows referral traffic from ChatGPT jumped 36.7% in May 2026, reaching its highest level yet.
Also cited by
2026-09-21
Original Research
SE Ranking
· Original study ↗
Methodology
Analysis of referral traffic from 101,574 websites across 250 countries and territories.
Methodology documented
Segmentation
Channelrss_feed
Cite this stat
Suggested hedging: According to limited, single-source data, with unverified sample sizes...
Plain Text
ChatGPT: 75.96% ai referral traffic share. Source: SE Ranking (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/chatgpt-ai-referral-traffic-share-2026
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<blockquote cite="https://lighthousedata.io/data/chatgpt-ai-referral-traffic-share-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>75.96%</strong> -- ai referral traffic share for ChatGPT<br><small>Source: SE Ranking (2026) · <a href="https://lighthousedata.io/data/chatgpt-ai-referral-traffic-share-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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