{
  "measurement": "Entity-density delivery throughput",
  "date": "2026-04-30",
  "from": "Phoenix, AZ residential connection",
  "method": "5 sequential curl --compressed fetches; report median TTLB across runs 2-5 (run 1 dropped as cold-start)",
  "sites": [
    {
      "id": "top10lists.us",
      "url": "https://www.top10lists.us/sitemap-neighborhoods.xml",
      "kind": "sitemap shard (XML)",
      "url_count": 50000,
      "decompressed_body_bytes": 10675040,
      "runs_ms": [164, 134, 178, 203, 134],
      "ttlb_median_ms": 164,
      "throughput_urls_per_sec": 304878
    },
    {
      "id": "Site A",
      "named_actual": "brafton.com",
      "url": "https://www.brafton.com/post-sitemap.xml",
      "kind": "sitemap shard (XML), largest content shard",
      "url_count": 656,
      "decompressed_body_bytes": 316410,
      "runs_ms_raw": [5862, 72, 86, 79, 98],
      "runs_ms_excluding_run_1": [72, 86, 79, 98],
      "ttlb_median_ms_excluding_run_1": 85,
      "throughput_urls_per_sec": 7717
    }
  ],
  "headline": "~40x throughput advantage to Top10Lists.us",
  "ratio": {
    "throughput_ratio": 39.5,
    "url_count_ratio": 76.2,
    "wall_clock_ratio": 1.93,
    "equivalent_volume_time_at_site_a_rate_seconds": 6.48
  },
  "anonymization_policy": "Per-page editorial: SEO agencies are not named on rendered methodology pages; named identification published only in this downloadable receipts.json. See feedback_never_name_seo_leaders_on_pages.md.",
  "reproduction_script": "Published verbatim on the methodology page itself: https://geolocus.ai/methodology/entity-density-2026-04-30"
}