{
 "frame": "CPI-50K v1",
 "adopted_utc": "2026-08-21T08:51:53.980Z",
 "source": {
  "provider": "Tranco",
  "list_id": "Y8V2G",
  "permalink": "https://tranco-list.eu/list/Y8V2G",
  "generated": "2026-08-21",
  "inputs": [
   "Cisco Umbrella",
   "Majestic"
  ],
  "excluded_inputs": [
   {
    "name": "Cloudflare Radar",
    "licence": "CC BY-NC 4.0",
    "reason": "non-commercial clause incompatible with a paid dataset"
   },
   {
    "name": "Chrome UX Report (CrUX)",
    "licence": "CC BY-SA 4.0",
    "reason": "share-alike could attach to the redistributed dataset"
   }
  ],
  "config": {
   "days": 30,
   "end_date": "2026-08-20",
   "combination": "harmonic (Dowdall)",
   "aggregate_prefix": 1000000,
   "pay_level_domains": true,
   "other_filters": "none"
  }
 },
 "size": 50000,
 "excluded_total": 167,
 "excluded_by_reason": {
  "reverse_dns_zone": 167
 },
 "excluded_sample": [
  {
   "src_rank": 933,
   "domain": "23.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 1029,
   "domain": "3.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 1294,
   "domain": "54.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 1339,
   "domain": "52.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 1399,
   "domain": "18.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 1520,
   "domain": "34.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 1598,
   "domain": "142.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 1675,
   "domain": "44.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 1876,
   "domain": "35.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 1915,
   "domain": "13.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 2499,
   "domain": "184.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 2679,
   "domain": "173.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 2751,
   "domain": "192.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 2964,
   "domain": "100.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 3238,
   "domain": "108.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 3401,
   "domain": "64.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 3672,
   "domain": "2.ip6.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 3768,
   "domain": "216.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 3822,
   "domain": "74.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 3893,
   "domain": "51.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 4092,
   "domain": "98.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 4174,
   "domain": "8.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 4259,
   "domain": "32.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 4518,
   "domain": "2.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 4528,
   "domain": "99.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 4715,
   "domain": "63.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 4834,
   "domain": "146.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 4874,
   "domain": "15.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 5073,
   "domain": "50.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 5426,
   "domain": "204.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 6133,
   "domain": "69.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 6670,
   "domain": "209.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 6685,
   "domain": "16.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 6882,
   "domain": "65.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 7122,
   "domain": "107.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 7657,
   "domain": "170.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 7773,
   "domain": "72.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 7927,
   "domain": "185.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 7983,
   "domain": "68.in-addr.arpa",
   "why": "reverse_dns_zone"
  },
  {
   "src_rank": 8260,
   "domain": "255.in-addr.arpa",
   "why": "reverse_dns_zone"
  }
 ],
 "attribution": "Tranco (Le Pochat et al., NDSS 2019), custom list Y8V2G; ranking inputs Cisco Umbrella and Majestic (Majestic data CC BY 3.0).",
 "note": "Infrastructure, CDN and parked domains are deliberately RETAINED — the share of a popularity ranking that is not a website is a published CPI finding. Only reverse-DNS zones and malformed labels are removed, and every removal is listed here.",
 "frame_sha256": "e19f6aec207698807eccf09af71fc926d577474bce445fe83e65c82fade8c7c0",
 "frame_rows": 50000,
 "frame_file": "tranco-top-1m.csv",
 "integrity_note": "SHA-256 of the frame as adopted. check-frame.cjs verifies any copy against this before a sweep — a truncated scp or a half-written file does not otherwise announce itself, and every published rate is a percentage of this denominator."
}