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UTM tags vanish from ChatGPT links, muddying AI traffic attribution

AdExchanger reports that ChatGPT links have stopped carrying UTM parameters, so visits once tagged as AI-referred traffic are now showing up as direct.

Why it matters. Brands tracking AI visibility now have to infer ChatGPT-driven visits from behavioral signals instead of clean referral data.

Signal from adexchanger.com · read the original.

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