{
 "metric": "security-headers",
 "segment": "au",
 "anchor": "domain",
 "label": "Australia (domains)",
 "population": "domains in Australia",
 "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": 255,
  "qf_pct": 83.14,
  "ci": [
   78.06,
   87.23
  ],
  "dist": {
   "strong": 16.86,
   "partial": 24.71,
   "missing": 58.43
  },
  "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
 },
 "series": [
  {
   "day": "2026-08-01",
   "n": 91,
   "qf_pct": 84.62,
   "ci": [
    75.82,
    90.61
   ],
   "dist": {
    "strong": 15.38,
    "partial": 24.18,
    "missing": 60.44
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-03",
   "n": 92,
   "qf_pct": 83.7,
   "ci": [
    74.83,
    89.86
   ],
   "dist": {
    "strong": 16.3,
    "partial": 25,
    "missing": 58.7
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-04",
   "n": 256,
   "qf_pct": 83.98,
   "ci": [
    78.99,
    87.97
   ],
   "dist": {
    "strong": 16.02,
    "partial": 25,
    "missing": 58.98
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-05",
   "n": 254,
   "qf_pct": 83.46,
   "ci": [
    78.4,
    87.53
   ],
   "dist": {
    "strong": 16.54,
    "partial": 25.2,
    "missing": 58.27
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-06",
   "n": 256,
   "qf_pct": 79.69,
   "ci": [
    74.34,
    84.16
   ],
   "dist": {
    "strong": 20.31,
    "partial": 21.48,
    "missing": 58.2
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-13",
   "n": 255,
   "qf_pct": 83.14,
   "ci": [
    78.06,
    87.23
   ],
   "dist": {
    "strong": 16.86,
    "partial": 24.71,
    "missing": 58.43
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  }
 ],
 "license": "CC BY 4.0",
 "source": "https://quietfailures.com/datasets/security-headers/au"
}