{"order":"tested top to bottom; first touch wins over last touch","kinds":{"ai":["ChatGPT","Perplexity","Copilot","Gemini","Google AI Mode","Claude","Grok","Meta AI","Mistral Le Chat","DeepSeek","DuckDuckGo AI","You.com","Kagi Assistant","Brave Leo","Poe","Phind","Character.ai","Pi","HuggingChat","Qwen","Arc Search","AI search (other)"],"paid":["Facebook Ads","Microsoft Ads","Google Ads","Paid (other)"],"maps":["Google Maps / Business Profile","Apple Maps","Bing Maps","Waze"],"directory":["Yelp","Angi / HomeAdvisor","Thumbtack","Houzz","Nextdoor","BBB","Directory (other)"],"social":["Facebook","Instagram","TikTok","LinkedIn","X","YouTube","Reddit","Pinterest","Threads","Messaging app"],"email":["Email"],"search":["Google","Bing","DuckDuckGo","Yahoo","Brave Search","Ecosia","Yandex","Baidu","Kagi","Search (other)"]},"not_attributable":"Siri, Spotlight, Safari suggestions and most Apple surfaces send no referrer and no tag, so they arrive as Direct. Google AI Overviews carry no signal that separates them from a Google search click."}