{
 "metric": "https-redirect",
 "segment": "us",
 "anchor": "domain",
 "label": "the US (domains)",
 "population": "domains in the US",
 "states": [
  "enforced",
  "missing"
 ],
 "quiet_failure_states": [
  "missing"
 ],
 "measurement": "Tier 3a, one GET; follow redirects and read the final scheme. Denominator: `has_web`.",
 "why_it_matters": "A valid certificate is worthless if the site still answers on port 80 — visitors and links arrive over HTTP and are never upgraded. HTTPS is \"installed\" but optional.",
 "limits": null,
 "data_tier": "http_3a",
 "population_predicate": "has_web",
 "entity_type": "domain",
 "kind": "failure",
 "latest": {
  "day": "2026-08-13",
  "n": 105,
  "qf_pct": 28.57,
  "ci": [
   20.81,
   37.85
  ],
  "dist": {
   "enforced": 71.43,
   "missing": 28.57
  },
  "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
 },
 "series": [
  {
   "day": "2026-08-01",
   "n": 36,
   "qf_pct": 30.56,
   "ci": [
    18,
    46.86
   ],
   "dist": {
    "enforced": 69.44,
    "missing": 30.56
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-03",
   "n": 45,
   "qf_pct": 24.44,
   "ci": [
    14.24,
    38.67
   ],
   "dist": {
    "enforced": 75.56,
    "missing": 24.44
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-04",
   "n": 106,
   "qf_pct": 27.36,
   "ci": [
    19.78,
    36.52
   ],
   "dist": {
    "enforced": 72.64,
    "missing": 27.36
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-05",
   "n": 105,
   "qf_pct": 27.62,
   "ci": [
    19.97,
    36.85
   ],
   "dist": {
    "enforced": 72.38,
    "missing": 27.62
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-06",
   "n": 105,
   "qf_pct": 27.62,
   "ci": [
    19.97,
    36.85
   ],
   "dist": {
    "enforced": 72.38,
    "missing": 27.62
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-13",
   "n": 105,
   "qf_pct": 28.57,
   "ci": [
    20.81,
    37.85
   ],
   "dist": {
    "enforced": 71.43,
    "missing": 28.57
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  }
 ],
 "license": "CC BY 4.0",
 "source": "https://quietfailures.com/datasets/https-redirect/us"
}