{
  "updatedAt": "2026-11-09",
  "frame": {
    "properties": 108,
    "responded": 108,
    "frozen": "2026-09-24"
  },
  "sourceRule": {
    "version": "1.0",
    "url": "https://sunnypatel.co.uk/blog/ai-referral-sources-ga4/"
  },
  "weekly": [
    {
      "weekStart": "2026-06-29",
      "weekEnd": "2026-07-05",
      "sessions": 29603,
      "ai": 501,
      "share": 1.69,
      "assistants": {
        "ChatGPT": 460,
        "Microsoft Copilot": 32,
        "Perplexity": 6,
        "Claude": 3
      }
    },
    {
      "weekStart": "2026-07-06",
      "weekEnd": "2026-07-12",
      "sessions": 14252,
      "ai": 479,
      "share": 3.36,
      "assistants": {
        "ChatGPT": 423,
        "Microsoft Copilot": 37,
        "Perplexity": 10,
        "Claude": 8,
        "Gemini": 1
      }
    },
    {
      "weekStart": "2026-07-13",
      "weekEnd": "2026-07-19",
      "sessions": 17986,
      "ai": 481,
      "share": 2.67,
      "assistants": {
        "ChatGPT": 432,
        "Microsoft Copilot": 41,
        "Claude": 8
      }
    },
    {
      "weekStart": "2026-07-20",
      "weekEnd": "2026-07-26",
      "sessions": 15873,
      "ai": 505,
      "share": 3.18,
      "assistants": {
        "ChatGPT": 451,
        "Microsoft Copilot": 39,
        "Claude": 9,
        "Perplexity": 5,
        "Gemini": 1
      }
    },
    {
      "weekStart": "2026-07-27",
      "weekEnd": "2026-08-02",
      "sessions": 22019,
      "ai": 608,
      "share": 2.76,
      "assistants": {
        "ChatGPT": 545,
        "Microsoft Copilot": 38,
        "Claude": 15,
        "Perplexity": 7,
        "Gemini": 3
      }
    },
    {
      "weekStart": "2026-08-03",
      "weekEnd": "2026-08-09",
      "sessions": 18061,
      "ai": 553,
      "share": 3.06,
      "assistants": {
        "ChatGPT": 488,
        "Microsoft Copilot": 40,
        "Claude": 18,
        "Perplexity": 5,
        "Gemini": 2
      }
    },
    {
      "weekStart": "2026-08-10",
      "weekEnd": "2026-08-16",
      "sessions": 37060,
      "ai": 402,
      "share": 1.08,
      "assistants": {
        "ChatGPT": 344,
        "Microsoft Copilot": 49,
        "Claude": 6,
        "Gemini": 2,
        "Perplexity": 1
      }
    },
    {
      "weekStart": "2026-08-17",
      "weekEnd": "2026-08-23",
      "sessions": 25604,
      "ai": 446,
      "share": 1.74,
      "assistants": {
        "ChatGPT": 403,
        "Microsoft Copilot": 36,
        "Claude": 5,
        "Gemini": 1,
        "Perplexity": 1
      }
    },
    {
      "weekStart": "2026-08-24",
      "weekEnd": "2026-08-30",
      "sessions": 16056,
      "ai": 382,
      "share": 2.38,
      "assistants": {
        "ChatGPT": 340,
        "Microsoft Copilot": 28,
        "Gemini": 9,
        "Perplexity": 3,
        "Claude": 2
      }
    },
    {
      "weekStart": "2026-08-31",
      "weekEnd": "2026-09-06",
      "sessions": 73297,
      "ai": 391,
      "share": 0.53,
      "assistants": {
        "ChatGPT": 337,
        "Microsoft Copilot": 33,
        "Claude": 10,
        "Gemini": 7,
        "Perplexity": 4
      }
    },
    {
      "weekStart": "2026-09-07",
      "weekEnd": "2026-09-13",
      "sessions": 25985,
      "ai": 398,
      "share": 1.53,
      "assistants": {
        "ChatGPT": 345,
        "Microsoft Copilot": 33,
        "Perplexity": 10,
        "Claude": 7,
        "Gemini": 3
      }
    },
    {
      "weekStart": "2026-09-14",
      "weekEnd": "2026-09-20",
      "sessions": 27694,
      "ai": 421,
      "share": 1.52,
      "assistants": {
        "ChatGPT": 376,
        "Microsoft Copilot": 22,
        "Gemini": 9,
        "Perplexity": 9,
        "Claude": 5
      }
    },
    {
      "weekStart": "2026-09-21",
      "weekEnd": "2026-09-27",
      "sessions": 17439,
      "ai": 431,
      "share": 2.47,
      "assistants": {
        "ChatGPT": 396,
        "Microsoft Copilot": 26,
        "Perplexity": 4,
        "Gemini": 4,
        "Claude": 1
      }
    },
    {
      "weekStart": "2026-09-28",
      "weekEnd": "2026-10-04",
      "sessions": 28607,
      "ai": 381,
      "share": 1.33,
      "assistants": {
        "ChatGPT": 343,
        "Microsoft Copilot": 29,
        "Gemini": 3,
        "Claude": 3,
        "Perplexity": 3
      }
    },
    {
      "weekStart": "2026-10-05",
      "weekEnd": "2026-10-11",
      "sessions": 21355,
      "ai": 270,
      "share": 1.26,
      "assistants": {
        "ChatGPT": 222,
        "Microsoft Copilot": 32,
        "Gemini": 12,
        "Perplexity": 4
      }
    },
    {
      "weekStart": "2026-10-12",
      "weekEnd": "2026-10-18",
      "sessions": 35117,
      "ai": 183,
      "share": 0.52,
      "assistants": {
        "ChatGPT": 156,
        "Microsoft Copilot": 20,
        "Gemini": 5,
        "Perplexity": 1,
        "Claude": 1
      }
    },
    {
      "weekStart": "2026-10-19",
      "weekEnd": "2026-10-25",
      "sessions": 23050,
      "ai": 230,
      "share": 1.0,
      "assistants": {
        "ChatGPT": 212,
        "Microsoft Copilot": 10,
        "Gemini": 4,
        "Perplexity": 3,
        "Claude": 1
      }
    },
    {
      "weekStart": "2026-10-26",
      "weekEnd": "2026-11-01",
      "sessions": 18874,
      "ai": 150,
      "share": 0.79,
      "assistants": {
        "ChatGPT": 131,
        "Microsoft Copilot": 8,
        "Gemini": 5,
        "Perplexity": 5,
        "Claude": 1
      }
    }
  ],
  "window": {
    "start": "2026-10-05",
    "end": "2026-11-01",
    "sessions": 98396,
    "ai": 833,
    "share": 0.85,
    "sitesWithSessions": 98,
    "sitesWithAi": 47,
    "medianSiteShare": 0.0,
    "largestSiteSessionShare": 13.02,
    "excludingLargest": {
      "sessions": 85586,
      "ai": 720,
      "share": 0.84
    },
    "assistants": {
      "ChatGPT": 721,
      "Microsoft Copilot": 70,
      "Gemini": 26,
      "Perplexity": 13,
      "Claude": 3
    }
  },
  "prior": {
    "start": "2026-09-07",
    "end": "2026-10-04",
    "sessions": 99725,
    "ai": 1631,
    "share": 1.64
  }
}