{
 "metric": "security-headers",
 "segment": "tw",
 "anchor": "domain",
 "label": "Taiwan (domains)",
 "population": "domains in Taiwan",
 "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": 155,
  "qf_pct": 80.65,
  "ci": [
   73.72,
   86.09
  ],
  "dist": {
   "strong": 19.35,
   "partial": 20,
   "missing": 60.65
  },
  "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
 },
 "series": [
  {
   "day": "2026-08-01",
   "n": 45,
   "qf_pct": 77.78,
   "ci": [
    63.73,
    87.46
   ],
   "dist": {
    "strong": 22.22,
    "partial": 8.89,
    "missing": 68.89
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-03",
   "n": 47,
   "qf_pct": 80.85,
   "ci": [
    67.46,
    89.58
   ],
   "dist": {
    "strong": 19.15,
    "partial": 10.64,
    "missing": 70.21
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-04",
   "n": 156,
   "qf_pct": 81.41,
   "ci": [
    74.58,
    86.73
   ],
   "dist": {
    "strong": 18.59,
    "partial": 20.51,
    "missing": 60.9
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-05",
   "n": 157,
   "qf_pct": 80.89,
   "ci": [
    74.03,
    86.27
   ],
   "dist": {
    "strong": 19.11,
    "partial": 20.38,
    "missing": 60.51
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-06",
   "n": 158,
   "qf_pct": 80.38,
   "ci": [
    73.5,
    85.82
   ],
   "dist": {
    "strong": 19.62,
    "partial": 20.25,
    "missing": 60.13
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-13",
   "n": 155,
   "qf_pct": 80.65,
   "ci": [
    73.72,
    86.09
   ],
   "dist": {
    "strong": 19.35,
    "partial": 20,
    "missing": 60.65
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  }
 ],
 "license": "CC BY 4.0",
 "source": "https://quietfailures.com/datasets/security-headers/tw"
}