{
 "metric": "https-redirect",
 "segment": "is",
 "anchor": "domain",
 "label": "Iceland (domains)",
 "population": "domains in Iceland",
 "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": 218,
  "qf_pct": 21.56,
  "ci": [
   16.62,
   27.49
  ],
  "dist": {
   "enforced": 78.44,
   "missing": 21.56
  },
  "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
 },
 "series": [
  {
   "day": "2026-08-01",
   "n": 56,
   "qf_pct": 25,
   "ci": [
    15.52,
    37.69
   ],
   "dist": {
    "enforced": 75,
    "missing": 25
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-03",
   "n": 73,
   "qf_pct": 20.55,
   "ci": [
    12.87,
    31.17
   ],
   "dist": {
    "enforced": 79.45,
    "missing": 20.55
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-04",
   "n": 215,
   "qf_pct": 21.4,
   "ci": [
    16.44,
    27.35
   ],
   "dist": {
    "enforced": 78.6,
    "missing": 21.4
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-05",
   "n": 217,
   "qf_pct": 22.12,
   "ci": [
    17.11,
    28.1
   ],
   "dist": {
    "enforced": 77.88,
    "missing": 22.12
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-06",
   "n": 219,
   "qf_pct": 22.37,
   "ci": [
    17.36,
    28.34
   ],
   "dist": {
    "enforced": 77.63,
    "missing": 22.37
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-13",
   "n": 218,
   "qf_pct": 21.56,
   "ci": [
    16.62,
    27.49
   ],
   "dist": {
    "enforced": 78.44,
    "missing": 21.56
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  }
 ],
 "license": "CC BY 4.0",
 "source": "https://quietfailures.com/datasets/https-redirect/is"
}