{
  "protocol_version": "2026-09-29-p1",
  "period": "2026-09",
  "strategy": "mobile",
  "sample_unit": "website",
  "n_sites": 10,
  "statistics": {
    "performance": {
      "status": "available",
      "n_sites": 10,
      "median_rounded": 60.0,
      "rounding_step": 5.0,
      "unit": "score_0_100"
    },
    "seo": {
      "status": "available",
      "n_sites": 10,
      "median_rounded": 90.0,
      "rounding_step": 5.0,
      "unit": "score_0_100"
    },
    "accessibility": {
      "status": "available",
      "n_sites": 10,
      "median_rounded": 90.0,
      "rounding_step": 5.0,
      "unit": "score_0_100"
    },
    "best_practices": {
      "status": "available",
      "n_sites": 10,
      "median_rounded": 90.0,
      "rounding_step": 5.0,
      "unit": "score_0_100"
    },
    "lcp_seconds": {
      "status": "available",
      "n_sites": 10,
      "median_rounded": 9.5,
      "rounding_step": 0.5,
      "unit": "seconds"
    }
  },
  "limitations": [
    "Convenience sample from client monitoring; not representative of the market.",
    "One laboratory observation per website; no repeatability or causal inference.",
    "Synchronization date known; execution timestamp and Lighthouse version not retained.",
    "No field data, individual rows, identifiers, sectors or extrema in this output.",
    "Rounded aggregates still require joint disclosure review before publication."
  ]
}