{
 "metric": "security-headers",
 "segment": "za",
 "anchor": "domain",
 "label": "South Africa (domains)",
 "population": "domains in South Africa",
 "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": 271,
  "qf_pct": 88.56,
  "ci": [
   84.22,
   91.82
  ],
  "dist": {
   "strong": 11.44,
   "partial": 12.92,
   "missing": 75.65
  },
  "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
 },
 "series": [
  {
   "day": "2026-08-01",
   "n": 95,
   "qf_pct": 85.26,
   "ci": [
    76.77,
    91.01
   ],
   "dist": {
    "strong": 14.74,
    "partial": 7.37,
    "missing": 77.89
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-03",
   "n": 98,
   "qf_pct": 82.65,
   "ci": [
    73.96,
    88.88
   ],
   "dist": {
    "strong": 17.35,
    "partial": 8.16,
    "missing": 74.49
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-04",
   "n": 271,
   "qf_pct": 88.93,
   "ci": [
    84.64,
    92.13
   ],
   "dist": {
    "strong": 11.07,
    "partial": 13.65,
    "missing": 75.28
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-05",
   "n": 269,
   "qf_pct": 88.85,
   "ci": [
    84.53,
    92.08
   ],
   "dist": {
    "strong": 11.15,
    "partial": 13.38,
    "missing": 75.46
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-06",
   "n": 271,
   "qf_pct": 87.08,
   "ci": [
    82.57,
    90.57
   ],
   "dist": {
    "strong": 12.92,
    "partial": 11.07,
    "missing": 76.01
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-13",
   "n": 271,
   "qf_pct": 88.56,
   "ci": [
    84.22,
    91.82
   ],
   "dist": {
    "strong": 11.44,
    "partial": 12.92,
    "missing": 75.65
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  }
 ],
 "license": "CC BY 4.0",
 "source": "https://quietfailures.com/datasets/security-headers/za"
}