{
 "metric": "https-redirect",
 "segment": "za",
 "anchor": "domain",
 "label": "South Africa (domains)",
 "population": "domains in South Africa",
 "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": 267,
  "qf_pct": 29.21,
  "ci": [
   24.08,
   34.93
  ],
  "dist": {
   "enforced": 70.79,
   "missing": 29.21
  },
  "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
 },
 "series": [
  {
   "day": "2026-08-01",
   "n": 74,
   "qf_pct": 33.78,
   "ci": [
    24.05,
    45.12
   ],
   "dist": {
    "enforced": 66.22,
    "missing": 33.78
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-03",
   "n": 98,
   "qf_pct": 30.61,
   "ci": [
    22.36,
    40.32
   ],
   "dist": {
    "enforced": 69.39,
    "missing": 30.61
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-04",
   "n": 262,
   "qf_pct": 28.63,
   "ci": [
    23.49,
    34.38
   ],
   "dist": {
    "enforced": 71.37,
    "missing": 28.63
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-05",
   "n": 262,
   "qf_pct": 29.01,
   "ci": [
    23.85,
    34.77
   ],
   "dist": {
    "enforced": 70.99,
    "missing": 29.01
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-06",
   "n": 262,
   "qf_pct": 29.01,
   "ci": [
    23.85,
    34.77
   ],
   "dist": {
    "enforced": 70.99,
    "missing": 29.01
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-13",
   "n": 267,
   "qf_pct": 29.21,
   "ci": [
    24.08,
    34.93
   ],
   "dist": {
    "enforced": 70.79,
    "missing": 29.21
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  }
 ],
 "license": "CC BY 4.0",
 "source": "https://quietfailures.com/datasets/https-redirect/za"
}