How GA4 records traffic from Perplexity Comet and ChatGPT Atlas | MarTech
Perplexity Comet often registers in GA4 as perplexity.ai referral, while ChatGPT Atlas commonly strips referrers, appearing as Direct or (not set) and creating attribution gaps.
Session-related metrics in Google AdSense have been retired and removed immediately; use Google Analytics for session-level and user behavior analysis instead.
Use Google Analytics 4 to monitor ChatGPT-generated 404s, create helpful 404 pages for those visitors, and add 301 redirects for broken URLs that receive traffic.
