{
 "metric": "https-redirect",
 "segment": "gb-companies",
 "anchor": "company",
 "label": "UK companies",
 "population": "UK companies",
 "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": 2269,
  "qf_pct": 34.55,
  "ci": [
   32.62,
   36.53
  ],
  "dist": {
   "enforced": 65.45,
   "missing": 34.55
  },
  "snapshot": "uk-companies-house-per600-seed20260728"
 },
 "series": [
  {
   "day": "2026-08-01",
   "n": 889,
   "qf_pct": 37.23,
   "ci": [
    34.12,
    40.46
   ],
   "dist": {
    "missing": 37.23,
    "enforced": 62.77
   },
   "snapshot": "uk-companies-house-per300-seed20260728"
  },
  {
   "day": "2026-08-03",
   "n": 1120,
   "qf_pct": 34.55,
   "ci": [
    31.83,
    37.39
   ],
   "dist": {
    "enforced": 65.45,
    "missing": 34.55
   },
   "snapshot": "uk-companies-house-per300-seed20260728"
  },
  {
   "day": "2026-08-04",
   "n": 2254,
   "qf_pct": 34.52,
   "ci": [
    32.58,
    36.5
   ],
   "dist": {
    "enforced": 65.48,
    "missing": 34.52
   },
   "snapshot": "uk-companies-house-per600-seed20260728"
  },
  {
   "day": "2026-08-05",
   "n": 2258,
   "qf_pct": 34.37,
   "ci": [
    32.44,
    36.35
   ],
   "dist": {
    "enforced": 65.63,
    "missing": 34.37
   },
   "snapshot": "uk-companies-house-per600-seed20260728"
  },
  {
   "day": "2026-08-06",
   "n": 2260,
   "qf_pct": 34.42,
   "ci": [
    32.49,
    36.41
   ],
   "dist": {
    "enforced": 65.58,
    "missing": 34.42
   },
   "snapshot": "uk-companies-house-per600-seed20260728"
  },
  {
   "day": "2026-08-13",
   "n": 2269,
   "qf_pct": 34.55,
   "ci": [
    32.62,
    36.53
   ],
   "dist": {
    "enforced": 65.45,
    "missing": 34.55
   },
   "snapshot": "uk-companies-house-per600-seed20260728"
  }
 ],
 "license": "CC BY 4.0",
 "source": "https://quietfailures.com/datasets/https-redirect/gb-companies"
}