Why Your ChatGPT Traffic Fell in GA4 After October 8 (and How to Check)
Many sites saw ChatGPT referrals in GA4 drop by roughly half from October 9 while total traffic held steady. The likely reason: ChatGPT links lost their UTM tag for about a week, so visits were counted as Direct. Here's what happened, what's confirmed, and how to check your own data.
October 16, 2026Read →

