{
 "metric": "security-headers",
 "segment": "pl",
 "anchor": "domain",
 "label": "Poland (domains)",
 "population": "domains in Poland",
 "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": 223,
  "qf_pct": 84.75,
  "ci": [
   79.45,
   88.88
  ],
  "dist": {
   "strong": 15.25,
   "partial": 10.76,
   "missing": 73.99
  },
  "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
 },
 "series": [
  {
   "day": "2026-08-01",
   "n": 89,
   "qf_pct": 93.26,
   "ci": [
    86.06,
    96.87
   ],
   "dist": {
    "strong": 6.74,
    "partial": 11.24,
    "missing": 82.02
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-03",
   "n": 91,
   "qf_pct": 92.31,
   "ci": [
    84.96,
    96.22
   ],
   "dist": {
    "strong": 7.69,
    "partial": 10.99,
    "missing": 81.32
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-04",
   "n": 224,
   "qf_pct": 84.82,
   "ci": [
    79.54,
    88.93
   ],
   "dist": {
    "strong": 15.18,
    "partial": 10.71,
    "missing": 74.11
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-05",
   "n": 223,
   "qf_pct": 84.75,
   "ci": [
    79.45,
    88.88
   ],
   "dist": {
    "strong": 15.25,
    "partial": 10.76,
    "missing": 73.99
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-06",
   "n": 223,
   "qf_pct": 84.3,
   "ci": [
    78.95,
    88.49
   ],
   "dist": {
    "strong": 15.7,
    "partial": 10.31,
    "missing": 73.99
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-13",
   "n": 223,
   "qf_pct": 84.75,
   "ci": [
    79.45,
    88.88
   ],
   "dist": {
    "strong": 15.25,
    "partial": 10.76,
    "missing": 73.99
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  }
 ],
 "license": "CC BY 4.0",
 "source": "https://quietfailures.com/datasets/security-headers/pl"
}