{
 "metric": "security-headers",
 "segment": "fr-large",
 "anchor": "company",
 "label": "France large companies",
 "population": "France large companies",
 "states": [
  "strong",
  "partial",
  "missing"
 ],
 "quiet_failure_states": [
  "partial",
  "missing"
 ],
 "measurement": "Tier 3a; check `Strict-Transport-Security`, `Content-Security-Policy`, `X-Frame-Options` on the homepage response. Denominator: `has_web`.",
 "why_it_matters": "HSTS is what stops the first, downgradeable request; CSP is what limits the damage of injected script. Both are one-line changes, and both are commonly switched off silently by a framework upgrade or a proxy change.",
 "limits": null,
 "data_tier": "http_3a",
 "population_predicate": "has_web",
 "entity_type": "domain",
 "kind": "failure",
 "latest": {
  "day": "2026-08-13",
  "n": 104,
  "qf_pct": 59.62,
  "ci": [
   50.01,
   68.54
  ],
  "dist": {
   "strong": 40.38,
   "partial": 19.23,
   "missing": 40.38
  },
  "snapshot": "sirene-france-per600-seed20260730"
 },
 "series": [
  {
   "day": "2026-08-04",
   "n": 109,
   "qf_pct": 56.88,
   "ci": [
    47.51,
    65.79
   ],
   "dist": {
    "strong": 43.12,
    "partial": 18.35,
    "missing": 38.53
   },
   "snapshot": "sirene-france-per600-seed20260730"
  },
  {
   "day": "2026-08-05",
   "n": 109,
   "qf_pct": 55.96,
   "ci": [
    46.6,
    64.92
   ],
   "dist": {
    "strong": 44.04,
    "partial": 18.35,
    "missing": 37.61
   },
   "snapshot": "sirene-france-per600-seed20260730"
  },
  {
   "day": "2026-08-06",
   "n": 109,
   "qf_pct": 55.96,
   "ci": [
    46.6,
    64.92
   ],
   "dist": {
    "strong": 44.04,
    "partial": 18.35,
    "missing": 37.61
   },
   "snapshot": "sirene-france-per600-seed20260730"
  },
  {
   "day": "2026-08-13",
   "n": 104,
   "qf_pct": 59.62,
   "ci": [
    50.01,
    68.54
   ],
   "dist": {
    "strong": 40.38,
    "partial": 19.23,
    "missing": 40.38
   },
   "snapshot": "sirene-france-per600-seed20260730"
  }
 ],
 "license": "CC BY 4.0",
 "source": "https://quietfailures.com/datasets/security-headers/fr-large"
}