{
 "metric": "cert-lifetime-readiness",
 "segment": "cz",
 "anchor": "domain",
 "label": "Czechia (domains)",
 "population": "domains in Czechia",
 "states": [
  "short_lived_ready",
  "long_lived"
 ],
 "quiet_failure_states": [
  "long_lived"
 ],
 "measurement": "Tier 1. Validity window of the serving certificate. Denominator: `has_web`.",
 "why_it_matters": "The CA/Browser Forum is phasing certificate lifetimes down to 47 days. Any domain still on long-lived certificates has a manual renewal process that is about to break several times a year — a deadline-driven quiet failure that has not fired yet.",
 "limits": null,
 "data_tier": "ct",
 "population_predicate": "has_web",
 "entity_type": "domain",
 "kind": "failure",
 "latest": {
  "day": "2026-08-15",
  "n": 247,
  "qf_pct": 12.55,
  "ci": [
   8.98,
   17.26
  ],
  "dist": {
   "short_lived_ready": 87.45,
   "long_lived": 12.55
  },
  "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
 },
 "series": [
  {
   "day": "2026-08-05",
   "n": 247,
   "qf_pct": 12.55,
   "ci": [
    8.98,
    17.26
   ],
   "dist": {
    "short_lived_ready": 87.45,
    "long_lived": 12.55
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-06",
   "n": 245,
   "qf_pct": 12.24,
   "ci": [
    8.71,
    16.94
   ],
   "dist": {
    "short_lived_ready": 87.76,
    "long_lived": 12.24
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-08",
   "n": 247,
   "qf_pct": 12.55,
   "ci": [
    8.98,
    17.26
   ],
   "dist": {
    "short_lived_ready": 87.45,
    "long_lived": 12.55
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  },
  {
   "day": "2026-08-15",
   "n": 247,
   "qf_pct": 12.55,
   "ci": [
    8.98,
    17.26
   ],
   "dist": {
    "short_lived_ready": 87.45,
    "long_lived": 12.55
   },
   "snapshot": "common-crawl-domain-stratified-c400-g2500-seed20260729"
  }
 ],
 "license": "CC BY 4.0",
 "source": "https://quietfailures.com/datasets/cert-lifetime-readiness/cz"
}