{
  "dataset_title": "Web Filtering Research Dataset: 49,000 Categorized Domains",
  "build_seed": 20260922,
  "source_records": 20128938,
  "source_classification_versions": {
    "version_2026_03_15": 20128938
  },
  "sampling": {
    "stratified_records": 49000,
    "total_records": 49000,
    "band_budgets": {
      "rank_1001_10000": 4000,
      "rank_10001_100000": 6000,
      "rank_100001_1000000": 9000,
      "rank_1000001_5000000": 10000,
      "rank_5000001_10000000": 10000,
      "rank_10000001_plus": 10000
    },
    "minimum_per_available_primary_category_per_band": 25,
    "quota_detail": {
      "rank_1001_10000": {
        "News/Media": 403,
        "Arts & Entertainment": 383,
        "Community Sites": 79,
        "Computers & Technology": 154,
        "Lingerie/Swimsuits/Intimate Apparel": 32,
        "Travel": 97,
        "Advertising/Marketing": 73,
        "Food & Drink": 73,
        "Shopping": 205,
        "Sports & Recreation": 157,
        "Adult": 311,
        "Business": 197,
        "Science": 44,
        "Online Banking": 20,
        "Home & Garden": 65,
        "Financial Services": 125,
        "Political": 63,
        "Education/Reference": 150,
        "Dating": 30,
        "Blogs/Personal Sites": 39,
        "Automotive & Transportation": 111,
        "Gaming": 116,
        "CDN / Hosting / Infrastructure": 35,
        "Religion & Spirituality": 36,
        "Marketplaces / Classifieds / Auctions": 60,
        "Streaming Media": 66,
        "Restaurants & Dining": 30,
        "Email and Messaging": 35,
        "AI / LLM Tools": 37,
        "Freeware/Software": 29,
        "Web-based Applications": 33,
        "Health & Medicine": 75,
        "Podcasts": 6,
        "Government & Legal": 100,
        "Gambling": 132,
        "Military": 28,
        "Developer Tools / Code Hosting": 29,
        "Forums / Message Boards": 16,
        "Job Search/Careers": 47,
        "Real Estate": 30,
        "Social Networking": 40,
        "Search Engines & Platforms": 33,
        "Weapons": 9,
        "File Sharing/P2P": 11,
        "Webinars/E-learning": 16,
        "Cryptocurrency": 30,
        "VPN / Proxy / Anonymizers": 21,
        "Cloud Storage / File Hosting": 27,
        "Pets & Animals": 25,
        "Parked / For-Sale Domains": 8,
        "Illegal Drugs": 3,
        "Remote Access Tools": 2,
        "Alcohol": 10,
        "Malware / Phishing / Suspicious": 10,
        "Violence": 2,
        "Hate/Discrimination": 1,
        "URL Shorteners": 1
      },
      "rank_10001_100000": {
        "News/Media": 354,
        "Government & Legal": 221,
        "Shopping": 431,
        "Business": 347,
        "Sports & Recreation": 216,
        "Computers & Technology": 213,
        "Gambling": 268,
        "Arts & Entertainment": 435,
        "Home & Garden": 110,
        "Automotive & Transportation": 209,
        "Restaurants & Dining": 42,
        "Job Search/Careers": 72,
        "Financial Services": 210,
        "AI / LLM Tools": 55,
        "Community Sites": 93,
        "Blogs/Personal Sites": 48,
        "Forums / Message Boards": 28,
        "Gaming": 164,
        "CDN / Hosting / Infrastructure": 50,
        "Marketplaces / Classifieds / Auctions": 48,
        "Email and Messaging": 35,
        "Education/Reference": 392,
        "Real Estate": 60,
        "Food & Drink": 137,
        "Travel": 163,
        "Search Engines & Platforms": 33,
        "Streaming Media": 58,
        "Religion & Spirituality": 73,
        "Web-based Applications": 41,
        "Political": 71,
        "Health & Medicine": 211,
        "URL Shorteners": 25,
        "Social Networking": 42,
        "Science": 53,
        "Weapons": 31,
        "Dating": 46,
        "Online Banking": 30,
        "Adult": 257,
        "Advertising/Marketing": 69,
        "Pets & Animals": 47,
        "Alcohol": 35,
        "VPN / Proxy / Anonymizers": 28,
        "Freeware/Software": 40,
        "Cloud Storage / File Hosting": 33,
        "Webinars/E-learning": 31,
        "Lingerie/Swimsuits/Intimate Apparel": 34,
        "Military": 36,
        "Malware / Phishing / Suspicious": 33,
        "Violence": 26,
        "Developer Tools / Code Hosting": 29,
        "Cryptocurrency": 39,
        "File Sharing/P2P": 28,
        "Tobacco": 26,
        "Hate/Discrimination": 4,
        "Podcasts": 27,
        "Illegal Drugs": 26,
        "Parked / For-Sale Domains": 27,
        "Remote Access Tools": 10
      },
      "rank_100001_1000000": {
        "Food & Drink": 299,
        "Computers & Technology": 548,
        "Government & Legal": 170,
        "Shopping": 570,
        "Arts & Entertainment": 737,
        "Business": 1232,
        "Advertising/Marketing": 163,
        "Travel": 267,
        "Education/Reference": 389,
        "Health & Medicine": 667,
        "Sports & Recreation": 235,
        "Restaurants & Dining": 152,
        "Military": 31,
        "Gambling": 203,
        "Religion & Spirituality": 131,
        "Home & Garden": 355,
        "Automotive & Transportation": 319,
        "CDN / Hosting / Infrastructure": 158,
        "Blogs/Personal Sites": 163,
        "News/Media": 102,
        "Other": 26,
        "Real Estate": 195,
        "Podcasts": 29,
        "Job Search/Careers": 87,
        "Pets & Animals": 95,
        "Adult": 111,
        "Parked / For-Sale Domains": 146,
        "Alcohol": 75,
        "Financial Services": 180,
        "Community Sites": 141,
        "Webinars/E-learning": 41,
        "Social Networking": 40,
        "Political": 57,
        "Online Banking": 28,
        "Gaming": 92,
        "Email and Messaging": 35,
        "Marketplaces / Classifieds / Auctions": 37,
        "URL Shorteners": 26,
        "Dating": 32,
        "Cryptocurrency": 33,
        "Weapons": 32,
        "Streaming Media": 34,
        "Illegal Drugs": 30,
        "AI / LLM Tools": 51,
        "Malware / Phishing / Suspicious": 39,
        "Lingerie/Swimsuits/Intimate Apparel": 31,
        "Science": 50,
        "Violence": 27,
        "Forums / Message Boards": 26,
        "Tobacco": 29,
        "Web-based Applications": 36,
        "Freeware/Software": 31,
        "Cloud Storage / File Hosting": 30,
        "VPN / Proxy / Anonymizers": 27,
        "Search Engines & Platforms": 33,
        "Developer Tools / Code Hosting": 28,
        "Remote Access Tools": 18,
        "Hate/Discrimination": 25,
        "File Sharing/P2P": 26
      },
      "rank_1000001_5000000": {
        "Web-based Applications": 37,
        "Business": 1386,
        "CDN / Hosting / Infrastructure": 176,
        "Arts & Entertainment": 828,
        "Shopping": 640,
        "Computers & Technology": 616,
        "Home & Garden": 402,
        "Financial Services": 199,
        "Marketplaces / Classifieds / Auctions": 39,
        "Automotive & Transportation": 355,
        "Religion & Spirituality": 146,
        "Health & Medicine": 755,
        "Sports & Recreation": 261,
        "Illegal Drugs": 30,
        "Travel": 301,
        "Real Estate": 218,
        "Food & Drink": 336,
        "Malware / Phishing / Suspicious": 41,
        "Military": 32,
        "Advertising/Marketing": 179,
        "Gambling": 228,
        "Parked / For-Sale Domains": 163,
        "Lingerie/Swimsuits/Intimate Apparel": 32,
        "Gaming": 102,
        "News/Media": 113,
        "Pets & Animals": 105,
        "Adult": 123,
        "Government & Legal": 188,
        "Job Search/Careers": 95,
        "Political": 62,
        "Restaurants & Dining": 170,
        "Science": 53,
        "Search Engines & Platforms": 34,
        "Alcohol": 80,
        "Education/Reference": 438,
        "Streaming Media": 36,
        "Blogs/Personal Sites": 182,
        "Community Sites": 152,
        "Webinars/E-learning": 44,
        "Online Banking": 28,
        "Email and Messaging": 37,
        "AI / LLM Tools": 55,
        "Cryptocurrency": 34,
        "Tobacco": 30,
        "Violence": 27,
        "Dating": 33,
        "Weapons": 33,
        "VPN / Proxy / Anonymizers": 28,
        "Developer Tools / Code Hosting": 29,
        "Forums / Message Boards": 26,
        "Podcasts": 30,
        "URL Shorteners": 27,
        "File Sharing/P2P": 26,
        "Social Networking": 42,
        "Cloud Storage / File Hosting": 30,
        "Freeware/Software": 32,
        "Other": 26,
        "Hate/Discrimination": 25,
        "Remote Access Tools": 25
      },
      "rank_5000001_10000000": {
        "Pets & Animals": 106,
        "Home & Garden": 401,
        "Real Estate": 218,
        "Shopping": 639,
        "Arts & Entertainment": 827,
        "Business": 1385,
        "Automotive & Transportation": 355,
        "Political": 62,
        "Health & Medicine": 756,
        "Religion & Spirituality": 146,
        "Financial Services": 200,
        "CDN / Hosting / Infrastructure": 175,
        "Blogs/Personal Sites": 181,
        "Podcasts": 30,
        "Computers & Technology": 615,
        "Email and Messaging": 37,
        "Government & Legal": 188,
        "Travel": 300,
        "Food & Drink": 336,
        "Sports & Recreation": 262,
        "Parked / For-Sale Domains": 162,
        "Weapons": 33,
        "AI / LLM Tools": 54,
        "Gambling": 228,
        "Education/Reference": 440,
        "Community Sites": 153,
        "Alcohol": 80,
        "Freeware/Software": 32,
        "Adult": 123,
        "Science": 53,
        "Job Search/Careers": 95,
        "News/Media": 112,
        "Advertising/Marketing": 179,
        "File Sharing/P2P": 26,
        "Webinars/E-learning": 44,
        "Restaurants & Dining": 171,
        "Gaming": 101,
        "Search Engines & Platforms": 34,
        "Malware / Phishing / Suspicious": 42,
        "Cryptocurrency": 34,
        "Streaming Media": 36,
        "Web-based Applications": 37,
        "Marketplaces / Classifieds / Auctions": 39,
        "Military": 32,
        "Cloud Storage / File Hosting": 31,
        "Illegal Drugs": 31,
        "Social Networking": 42,
        "Online Banking": 28,
        "Dating": 33,
        "Tobacco": 30,
        "Lingerie/Swimsuits/Intimate Apparel": 32,
        "Hate/Discrimination": 26,
        "Developer Tools / Code Hosting": 29,
        "Violence": 27,
        "Forums / Message Boards": 26,
        "URL Shorteners": 27,
        "VPN / Proxy / Anonymizers": 28,
        "Other": 26,
        "Remote Access Tools": 25
      },
      "rank_10000001_plus": {
        "Health & Medicine": 755,
        "Cloud Storage / File Hosting": 31,
        "Political": 62,
        "Education/Reference": 438,
        "Food & Drink": 336,
        "Business": 1386,
        "Gambling": 228,
        "Parked / For-Sale Domains": 162,
        "Sports & Recreation": 262,
        "Freeware/Software": 32,
        "Blogs/Personal Sites": 181,
        "Advertising/Marketing": 178,
        "Restaurants & Dining": 170,
        "Financial Services": 199,
        "Automotive & Transportation": 355,
        "Travel": 301,
        "Arts & Entertainment": 828,
        "Computers & Technology": 617,
        "Marketplaces / Classifieds / Auctions": 39,
        "Government & Legal": 188,
        "Religion & Spirituality": 146,
        "Adult": 123,
        "VPN / Proxy / Anonymizers": 28,
        "Community Sites": 153,
        "Shopping": 639,
        "Weapons": 33,
        "Tobacco": 30,
        "Malware / Phishing / Suspicious": 41,
        "Home & Garden": 401,
        "Social Networking": 42,
        "CDN / Hosting / Infrastructure": 175,
        "Alcohol": 80,
        "Cryptocurrency": 34,
        "Email and Messaging": 37,
        "Real Estate": 218,
        "Pets & Animals": 105,
        "Gaming": 102,
        "News/Media": 112,
        "AI / LLM Tools": 54,
        "Job Search/Careers": 95,
        "Illegal Drugs": 30,
        "File Sharing/P2P": 26,
        "Web-based Applications": 37,
        "Science": 54,
        "Online Banking": 29,
        "Webinars/E-learning": 44,
        "Lingerie/Swimsuits/Intimate Apparel": 32,
        "Forums / Message Boards": 26,
        "Military": 32,
        "Dating": 33,
        "Streaming Media": 36,
        "Search Engines & Platforms": 34,
        "Podcasts": 30,
        "Developer Tools / Code Hosting": 29,
        "Other": 26,
        "Hate/Discrimination": 26,
        "URL Shorteners": 27,
        "Violence": 28,
        "Remote Access Tools": 25
      }
    }
  },
  "analysis": {
    "records": 49000,
    "unique_domains": 49000,
    "unique_categories_observed": 58,
    "average_categories_per_domain": 1.575,
    "multi_category_domains": 20292,
    "multi_category_percentage": 41.41,
    "top_category_occurrences": [
      [
        "Business",
        8811
      ],
      [
        "Shopping",
        5782
      ],
      [
        "Arts & Entertainment",
        5196
      ],
      [
        "Computers & Technology",
        4198
      ],
      [
        "Education/Reference",
        4160
      ],
      [
        "Health & Medicine",
        3937
      ],
      [
        "Home & Garden",
        2779
      ],
      [
        "Sports & Recreation",
        2638
      ],
      [
        "Food & Drink",
        2223
      ],
      [
        "Travel",
        2154
      ],
      [
        "News/Media",
        2110
      ],
      [
        "Community Sites",
        1994
      ],
      [
        "Automotive & Transportation",
        1971
      ],
      [
        "Restaurants & Dining",
        1822
      ],
      [
        "Blogs/Personal Sites",
        1759
      ]
    ],
    "top_primary_categories": [
      [
        "Business",
        5933
      ],
      [
        "Arts & Entertainment",
        4038
      ],
      [
        "Health & Medicine",
        3219
      ],
      [
        "Shopping",
        3124
      ],
      [
        "Computers & Technology",
        2763
      ],
      [
        "Education/Reference",
        2247
      ],
      [
        "Home & Garden",
        1734
      ],
      [
        "Automotive & Transportation",
        1704
      ],
      [
        "Food & Drink",
        1517
      ],
      [
        "Travel",
        1429
      ],
      [
        "Sports & Recreation",
        1393
      ],
      [
        "Gambling",
        1287
      ],
      [
        "News/Media",
        1196
      ],
      [
        "Financial Services",
        1113
      ],
      [
        "Government & Legal",
        1055
      ]
    ],
    "top_tlds": [
      [
        "com",
        21930
      ],
      [
        "de",
        2951
      ],
      [
        "org",
        1921
      ],
      [
        "net",
        1348
      ],
      [
        "uk",
        1335
      ],
      [
        "ru",
        1042
      ],
      [
        "br",
        1039
      ],
      [
        "fr",
        994
      ],
      [
        "jp",
        866
      ],
      [
        "nl",
        831
      ],
      [
        "it",
        818
      ],
      [
        "pl",
        649
      ],
      [
        "in",
        534
      ],
      [
        "au",
        499
      ],
      [
        "ch",
        444
      ]
    ]
  }
}