ChatGPT referral leads arrive on five referrer hostnames — chatgpt.com, perplexity.ai, claude.ai, copilot.microsoft.com and gemini.google.com — plus a utm_source=chatgpt.com tag. Google Analytics 4 added an AI Assistant channel on 13 May 2026, but across 39 ChatGPT landings in our own server logs, 64% carried no referrer at all.
What this covers
- Step one: find the referrer hostnames in your own logs
- Turning AI assistant referrals into booked calls
- MAKE MORE SALES.
- Step two: understand why GA4 buckets these three different ways
- Step three: build the channel group and the exploration
- Step four: verify in server logs, because the crawl is not the click
This is a technical summary. The full guide — with the data, tables and worked examples — is on our site: *ChatGPT Referral Leads: The Playbook for Capturing Them*.
LeadsNow AI builds pay-per-result AI lead generation and answer-engine-optimisation systems in Australia.
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