{
  "title": "GEO Handbook 06 — chart data and evidence",
  "articleSlug": "geo-handbook-06-ki-sichtbarkeit-messen",
  "reviewed": "2026-10-21",
  "method": "Provider disclosures, surveys and behavioural samples are not a common market-share dataset. Fictional teaching data are separate from published observations.",
  "sources": [
    {
      "id": 1,
      "publisher": "OpenAI",
      "title": "GPT-6 and Intelligent UI for everyone",
      "url": "https://openai.com/index/gpt-6-for-everyone/",
      "published": "2026-10-07",
      "scope": "Provider disclosure: more than 1.2 billion weekly ChatGPT users; not search-only usage.",
      "checked": "2026-10-21"
    },
    {
      "id": 2,
      "publisher": "Google",
      "title": "Google’s Gemini app hits 1 billion monthly active users",
      "url": "https://blog.google/innovation-and-ai/products/gemini-app/one-billion-monthly-users/",
      "published": "2026-08-11",
      "scope": "Provider disclosure: Gemini app monthly active users; distinct from AI Mode and AI Overviews.",
      "checked": "2026-10-21"
    },
    {
      "id": 3,
      "publisher": "Anthropic",
      "title": "Anthropic Economic Index report: Cadences",
      "url": "https://www.anthropic.com/research/economic-index-june-2026-report",
      "published": "2026-06-26",
      "scope": "Share of sampled chat/Cowork conversations by classified output: explanations 17%, documents/reports 15%, guidance 11%; not a user count.",
      "checked": "2026-10-21"
    },
    {
      "id": 4,
      "publisher": "Perplexity",
      "title": "Economic Impacts of AI on Enterprise IT Organizations",
      "url": "https://brand.perplexity.ai/pdf/the-economic-impacts-of-AI-on-enterprise-IT-organizations.pdf",
      "published": null,
      "period": "January 2025–January 2026",
      "scope": "85.5 million Enterprise queries from 135,852 sampled organisations; PDF pp. 2–3 and 17; publication day not stated.",
      "checked": "2026-10-21"
    },
    {
      "id": 5,
      "publisher": "ZHAW / HSG",
      "title": "Swiss Payment Monitor 2/2026",
      "url": "https://www.zhaw.ch/en/sml/about-us/press-news/newsdetail/event-news/people-in-switzerland-pay-digitally-but-still-rely-on-cash",
      "published": "2026-08-21",
      "period": "May 2026",
      "scope": "Swiss survey of 1,590 adults overall; separate AI-item n not given in announcement; 42% self-reported regular use.",
      "checked": "2026-10-21"
    },
    {
      "id": 6,
      "publisher": "Adobe Digital Insights",
      "title": "AI Traffic Trends Report — August 2026",
      "url": "https://business.adobe.com/assets/pdfs/resources/sdk/ai-traffic-trends-report-august-2026/ai-traffic-trends-report-2026-08-19.pdf",
      "published": "2026-08-19",
      "period": "July 2026",
      "scope": "Observed US retail and travel sites; relative AI/non-AI conversion-rate differences, pp. 8 and 23. Observational, not causal.",
      "checked": "2026-10-21"
    },
    {
      "id": 7,
      "publisher": "Google Analytics",
      "title": "Default channel group",
      "url": "https://support.google.com/analytics/answer/9756891",
      "published": null,
      "scope": "Current channel definitions, AI Assistant / Organic Search; checked 21 October 2026.",
      "checked": "2026-10-21"
    },
    {
      "id": 8,
      "publisher": "Google Search Central",
      "title": "AI features and your website",
      "url": "https://developers.google.com/search/docs/appearance/ai-features",
      "published": null,
      "scope": "Search eligibility, visible content, structured data and Search Console Web reporting; checked 21 October 2026.",
      "checked": "2026-10-21"
    },
    {
      "id": 9,
      "publisher": "Microsoft Bing",
      "title": "Introducing AI Performance in Bing Webmaster Tools Public Preview",
      "url": "https://blogs.bing.com/webmaster/2026/2/Introducing-AI-Performance-in-Bing-Webmaster-Tools-Public-Preview/",
      "published": "2026-02-10",
      "scope": "Citation reporting across supported Microsoft/partner surfaces; no universal ranking metric.",
      "checked": "2026-10-21"
    },
    {
      "id": 10,
      "publisher": "OpenAI",
      "title": "Overview of OpenAI Crawlers",
      "url": "https://developers.openai.com/api/docs/bots",
      "published": null,
      "scope": "OAI-SearchBot and GPTBot have separate purposes; checked 21 October 2026.",
      "checked": "2026-10-21"
    },
    {
      "id": 11,
      "publisher": "Anthropic",
      "title": "Enable and use web search",
      "url": "https://support.claude.com/en/articles/10684626-enable-and-use-web-search",
      "published": null,
      "scope": "Claude web-search behaviour and interface differences; checked 21 October 2026.",
      "checked": "2026-10-21"
    },
    {
      "id": 12,
      "publisher": "Perplexity",
      "title": "Perplexity Crawlers",
      "url": "https://docs.perplexity.ai/docs/resources/perplexity-crawlers",
      "published": null,
      "scope": "Search crawler and user-triggered fetcher distinction; checked 21 October 2026.",
      "checked": "2026-10-21"
    },
    {
      "id": 13,
      "publisher": "OpenAI",
      "title": "Web search — API guide",
      "url": "https://developers.openai.com/api/docs/guides/tools-web-search",
      "published": null,
      "scope": "Configurable API web-search tool; not a claim of equivalence with the ChatGPT app.",
      "checked": "2026-10-21"
    }
  ],
  "charts": [
    {
      "id": "market-conversion",
      "type": "external_observational_data",
      "sourceId": 6,
      "period": "2026-07",
      "geography": "United States",
      "metric": "100 * (AI-referred conversion rate / non-AI conversion rate - 1)",
      "unit": "relative_percent_difference",
      "values": [
        {
          "sector": "retail",
          "value": 60,
          "page": 8
        },
        {
          "sector": "travel",
          "value": -1,
          "page": 23
        }
      ],
      "limitations": [
        "Not percentage points or absolute conversion rates",
        "Observational comparison; not causal",
        "Not Swiss or GlasBox client results"
      ]
    },
    {
      "id": "measurement-series",
      "type": "fictional_teaching_data",
      "source": "Original GlasBox arithmetic example, no measured results",
      "protocol": {
        "prompts": 20,
        "repetitions": 3,
        "plannedPerRound": 60,
        "validPerRound": 60,
        "sameSurface": true
      },
      "values": [
        {
          "round": "A",
          "mentions": 18,
          "ownCitations": 9,
          "validAnswers": 60,
          "mentionRate": 30,
          "ownCitationRate": 15
        },
        {
          "round": "B",
          "mentions": 24,
          "ownCitations": 12,
          "validAnswers": 60,
          "mentionRate": 40,
          "ownCitationRate": 20
        },
        {
          "round": "C",
          "mentions": 21,
          "ownCitations": 10,
          "validAnswers": 60,
          "mentionRate": 35,
          "ownCitationRate": 16.666666666666664
        }
      ],
      "limitations": [
        "Not observed customer results",
        "No statistical representativeness claim",
        "Repeated prompt responses are not independent customer observations"
      ]
    }
  ],
  "diagrams": [
    {
      "id": "measurement-layers",
      "type": "conceptual"
    },
    {
      "id": "series-map",
      "type": "conceptual"
    }
  ]
}