{
 "metric": "security-headers",
 "segment": "sg",
 "anchor": "domain",
 "label": "Singapore (domains)",
 "population": "domains in Singapore",
 "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": 81.17,
  "ci": [
   75.52,
   85.75
  ],
  "dist": {
   "strong": 18.83,
   "partial": 25.56,
   "missing": 55.61
  },
  "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
 },
 "series": [
  {
   "day": "2026-08-01",
   "n": 80,
   "qf_pct": 81.25,
   "ci": [
    71.34,
    88.29
   ],
   "dist": {
    "strong": 18.75,
    "partial": 16.25,
    "missing": 65
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-03",
   "n": 81,
   "qf_pct": 75.31,
   "ci": [
    64.92,
    83.41
   ],
   "dist": {
    "strong": 24.69,
    "partial": 16.05,
    "missing": 59.26
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-04",
   "n": 223,
   "qf_pct": 82.06,
   "ci": [
    76.5,
    86.54
   ],
   "dist": {
    "strong": 17.94,
    "partial": 26.46,
    "missing": 55.61
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-05",
   "n": 224,
   "qf_pct": 82.14,
   "ci": [
    76.6,
    86.6
   ],
   "dist": {
    "strong": 17.86,
    "partial": 26.34,
    "missing": 55.8
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-06",
   "n": 224,
   "qf_pct": 79.02,
   "ci": [
    73.22,
    83.84
   ],
   "dist": {
    "strong": 20.98,
    "partial": 23.21,
    "missing": 55.8
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-13",
   "n": 223,
   "qf_pct": 81.17,
   "ci": [
    75.52,
    85.75
   ],
   "dist": {
    "strong": 18.83,
    "partial": 25.56,
    "missing": 55.61
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  }
 ],
 "license": "CC BY 4.0",
 "source": "https://quietfailures.com/datasets/security-headers/sg"
}