{
 "metric": "security-headers",
 "segment": "mx",
 "anchor": "domain",
 "label": "Mexico (domains)",
 "population": "domains in Mexico",
 "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": 212,
  "qf_pct": 81.6,
  "ci": [
   75.84,
   86.24
  ],
  "dist": {
   "strong": 18.4,
   "partial": 30.66,
   "missing": 50.94
  },
  "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
 },
 "series": [
  {
   "day": "2026-08-01",
   "n": 82,
   "qf_pct": 76.83,
   "ci": [
    66.62,
    84.63
   ],
   "dist": {
    "strong": 23.17,
    "partial": 24.39,
    "missing": 52.44
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-03",
   "n": 85,
   "qf_pct": 74.12,
   "ci": [
    63.91,
    82.24
   ],
   "dist": {
    "strong": 25.88,
    "partial": 23.53,
    "missing": 50.59
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-04",
   "n": 213,
   "qf_pct": 83.1,
   "ci": [
    77.49,
    87.53
   ],
   "dist": {
    "strong": 16.9,
    "partial": 30.52,
    "missing": 52.58
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-05",
   "n": 213,
   "qf_pct": 82.16,
   "ci": [
    76.46,
    86.72
   ],
   "dist": {
    "strong": 17.84,
    "partial": 30.99,
    "missing": 51.17
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-06",
   "n": 213,
   "qf_pct": 79.81,
   "ci": [
    73.92,
    84.65
   ],
   "dist": {
    "strong": 20.19,
    "partial": 28.64,
    "missing": 51.17
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-13",
   "n": 212,
   "qf_pct": 81.6,
   "ci": [
    75.84,
    86.24
   ],
   "dist": {
    "strong": 18.4,
    "partial": 30.66,
    "missing": 50.94
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  }
 ],
 "license": "CC BY 4.0",
 "source": "https://quietfailures.com/datasets/security-headers/mx"
}