Originally published on angeo.dev. AI platform behavior changes frequently — referrer policies and crawler names may have evolved since publication (July 2026).
You updated your robots.txt. You generated llms.txt. You fixed your Product schema. Your AEO audit score went from 25% to 85%. And then you opened GA4 — and saw nothing unusual.
This is the most common frustration after implementing AEO (AI Engine Optimization) on a Magento 2 store. Not because the work didn't help, but because standard analytics tools were not built to track AI referral traffic. The signals exist — they're just hidden in the wrong buckets.
TL;DR
Since May 13, 2026, GA4 has a native "AI Assistant" channel that auto-detects ChatGPT, Gemini, and Claude referrals — zero config, but only for sessions with an intact referrer
