{
 "metric": "security-headers",
 "segment": "bg",
 "anchor": "domain",
 "label": "Bulgaria (domains)",
 "population": "domains in Bulgaria",
 "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": 292,
  "qf_pct": 88.7,
  "ci": [
   84.55,
   91.84
  ],
  "dist": {
   "strong": 11.3,
   "partial": 15.07,
   "missing": 73.63
  },
  "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
 },
 "series": [
  {
   "day": "2026-08-01",
   "n": 112,
   "qf_pct": 84.82,
   "ci": [
    77.03,
    90.3
   ],
   "dist": {
    "strong": 15.18,
    "partial": 15.18,
    "missing": 69.64
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-03",
   "n": 116,
   "qf_pct": 82.76,
   "ci": [
    74.86,
    88.55
   ],
   "dist": {
    "strong": 17.24,
    "partial": 14.66,
    "missing": 68.1
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-04",
   "n": 292,
   "qf_pct": 89.04,
   "ci": [
    84.94,
    92.13
   ],
   "dist": {
    "strong": 10.96,
    "partial": 13.7,
    "missing": 75.34
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-05",
   "n": 288,
   "qf_pct": 88.54,
   "ci": [
    84.34,
    91.72
   ],
   "dist": {
    "strong": 11.46,
    "partial": 14.58,
    "missing": 73.96
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-06",
   "n": 292,
   "qf_pct": 88.36,
   "ci": [
    84.17,
    91.55
   ],
   "dist": {
    "strong": 11.64,
    "partial": 14.04,
    "missing": 74.32
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-13",
   "n": 292,
   "qf_pct": 88.7,
   "ci": [
    84.55,
    91.84
   ],
   "dist": {
    "strong": 11.3,
    "partial": 15.07,
    "missing": 73.63
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  }
 ],
 "license": "CC BY 4.0",
 "source": "https://quietfailures.com/datasets/security-headers/bg"
}