{
 "metric": "https-redirect",
 "segment": "gb-small",
 "anchor": "company",
 "label": "UK small companies",
 "population": "UK small 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": 834,
  "qf_pct": 35.49,
  "ci": [
   32.32,
   38.8
  ],
  "dist": {
   "enforced": 64.51,
   "missing": 35.49
  },
  "snapshot": "uk-companies-house-per600-seed20260728"
 },
 "series": [
  {
   "day": "2026-08-01",
   "n": 327,
   "qf_pct": 40.67,
   "ci": [
    35.49,
    46.08
   ],
   "dist": {
    "enforced": 59.33,
    "missing": 40.67
   },
   "snapshot": "uk-companies-house-per300-seed20260728"
  },
  {
   "day": "2026-08-03",
   "n": 401,
   "qf_pct": 37.91,
   "ci": [
    33.29,
    42.75
   ],
   "dist": {
    "missing": 37.91,
    "enforced": 62.09
   },
   "snapshot": "uk-companies-house-per300-seed20260728"
  },
  {
   "day": "2026-08-04",
   "n": 824,
   "qf_pct": 35.19,
   "ci": [
    32.01,
    38.52
   ],
   "dist": {
    "enforced": 64.81,
    "missing": 35.19
   },
   "snapshot": "uk-companies-house-per600-seed20260728"
  },
  {
   "day": "2026-08-05",
   "n": 828,
   "qf_pct": 35.14,
   "ci": [
    31.97,
    38.46
   ],
   "dist": {
    "enforced": 64.86,
    "missing": 35.14
   },
   "snapshot": "uk-companies-house-per600-seed20260728"
  },
  {
   "day": "2026-08-06",
   "n": 829,
   "qf_pct": 35.34,
   "ci": [
    32.16,
    38.66
   ],
   "dist": {
    "enforced": 64.66,
    "missing": 35.34
   },
   "snapshot": "uk-companies-house-per600-seed20260728"
  },
  {
   "day": "2026-08-13",
   "n": 834,
   "qf_pct": 35.49,
   "ci": [
    32.32,
    38.8
   ],
   "dist": {
    "enforced": 64.51,
    "missing": 35.49
   },
   "snapshot": "uk-companies-house-per600-seed20260728"
  }
 ],
 "license": "CC BY 4.0",
 "source": "https://quietfailures.com/datasets/https-redirect/gb-small"
}