{
 "metric": "https-redirect",
 "segment": "gb",
 "anchor": "domain",
 "label": "the UK (domains)",
 "population": "domains in the UK",
 "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": 183,
  "qf_pct": 31.15,
  "ci": [
   24.88,
   38.19
  ],
  "dist": {
   "enforced": 68.85,
   "missing": 31.15
  },
  "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
 },
 "series": [
  {
   "day": "2026-08-01",
   "n": 51,
   "qf_pct": 31.37,
   "ci": [
    20.33,
    45.03
   ],
   "dist": {
    "enforced": 68.63,
    "missing": 31.37
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-03",
   "n": 63,
   "qf_pct": 26.98,
   "ci": [
    17.58,
    39.03
   ],
   "dist": {
    "enforced": 73.02,
    "missing": 26.98
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-04",
   "n": 180,
   "qf_pct": 30,
   "ci": [
    23.78,
    37.06
   ],
   "dist": {
    "enforced": 70,
    "missing": 30
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-05",
   "n": 183,
   "qf_pct": 30.05,
   "ci": [
    23.88,
    37.05
   ],
   "dist": {
    "enforced": 69.95,
    "missing": 30.05
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-06",
   "n": 182,
   "qf_pct": 30.77,
   "ci": [
    24.52,
    37.81
   ],
   "dist": {
    "enforced": 69.23,
    "missing": 30.77
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-13",
   "n": 183,
   "qf_pct": 31.15,
   "ci": [
    24.88,
    38.19
   ],
   "dist": {
    "enforced": 68.85,
    "missing": 31.15
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  }
 ],
 "license": "CC BY 4.0",
 "source": "https://quietfailures.com/datasets/https-redirect/gb"
}