{
 "metric": "https-redirect",
 "segment": "cz",
 "anchor": "domain",
 "label": "Czechia (domains)",
 "population": "domains in Czechia",
 "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": 257,
  "qf_pct": 24.51,
  "ci": [
   19.66,
   30.12
  ],
  "dist": {
   "enforced": 75.49,
   "missing": 24.51
  },
  "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
 },
 "series": [
  {
   "day": "2026-08-01",
   "n": 80,
   "qf_pct": 31.25,
   "ci": [
    22.15,
    42.07
   ],
   "dist": {
    "enforced": 68.75,
    "missing": 31.25
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-03",
   "n": 101,
   "qf_pct": 28.71,
   "ci": [
    20.8,
    38.19
   ],
   "dist": {
    "enforced": 71.29,
    "missing": 28.71
   },
   "snapshot": "common-crawl-domain-stratified-c150-g2500-seed20260729"
  },
  {
   "day": "2026-08-04",
   "n": 257,
   "qf_pct": 24.9,
   "ci": [
    20.01,
    30.53
   ],
   "dist": {
    "enforced": 75.1,
    "missing": 24.9
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-05",
   "n": 256,
   "qf_pct": 25,
   "ci": [
    20.09,
    30.65
   ],
   "dist": {
    "enforced": 75,
    "missing": 25
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-06",
   "n": 256,
   "qf_pct": 25.39,
   "ci": [
    20.45,
    31.06
   ],
   "dist": {
    "enforced": 74.61,
    "missing": 25.39
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-13",
   "n": 257,
   "qf_pct": 24.51,
   "ci": [
    19.66,
    30.12
   ],
   "dist": {
    "enforced": 75.49,
    "missing": 24.51
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  }
 ],
 "license": "CC BY 4.0",
 "source": "https://quietfailures.com/datasets/https-redirect/cz"
}