Seeds
How should agencies report AI traffic to clients when GA4 cannot show the complete picture?
Report AI traffic in three tiers, not one number. The floor is a GA4 custom channel group that catches visible AI referrals — Google's native...
What is the three-layer model for understanding AI traffic measurement?
The three-layer model splits AI traffic measurement into what you can count, what you can infer, and what you can't see. Layer 1 is trackable...
Can Siri, Alexa, or Google Assistant generate any attribution data when they mention your brand?
No. Voice assistants are a complete attribution black hole. When Siri, Alexa, or Google Assistant answer a question about your product or recommend your brand,...
Why are ChatGPT Plus subscribers the hardest AI visitors to track in GA4?
ChatGPT Plus subscribers primarily use the ChatGPT desktop and mobile apps rather than the web browser, and both apps open links in in-app browsers that...
What regex pattern captures all major AI referral platforms in a GA4 custom channel group?
The recommended regex for a GA4 custom channel group that captures AI referral traffic is: chatgpt\.com|perplexity\.ai|claude\.ai|copilot\.microsoft\.com|gemini\.google\.com|you\.com|phind\.com — applied as a source-matching condition. This catches the...
Is AI referral traffic growing faster than organic search traffic?
Yes, but from a much smaller base. AI referral traffic grew roughly 200-300% year-over-year through 2025-2026, while organic search traffic from Google grew in the...
Why is Perplexity the easiest AI referral source to track in GA4?
Perplexity consistently sends a clean perplexity.ai referrer header on both web and mobile platforms, which makes it the most trackable AI source in GA4. Unlike...
How do you measure the value of AI brand mentions when nobody clicks through?
You can't measure it deterministically, but you can build a directional signal. Brand-mention monitoring tools like Otterly.AI and Peec.AI run test prompts against ChatGPT, Perplexity,...
What is adview_query_id and how does it identify Google AI Mode traffic?
The adview_query_id is a URL parameter that Google appends to clicks from AI Mode responses. It's a unique identifier tied to the AI query session...
Do AI-referred visitors spend more time on site than organic search visitors?
AI-referred visitors spend significantly more time on site than organic search visitors. SE Ranking's 2026 study of 63,987 websites found AI traffic averages 67.7% longer...
What are the four mechanisms that strip AI referrer data before GA4 sees it?
Four mechanisms systematically strip AI referrer data before it reaches GA4. First, in-app browsers in ChatGPT and Perplexity mobile apps open links in sandboxed WebViews...
Why is organic traffic declining while Direct traffic increases in GA4?
AI search is redistributing attribution without changing actual demand. When a user's question gets answered by ChatGPT, Google AI Mode, or an AI Overview, the...