Certificate trust · Norway micro companies
What share of Norway micro companies have a certificate that is self-signed or invalid for its hostname?
9.48% of Norway micro companies (95% CI 6.35–13.94%), measured across 232 companies on 2026-08-12.
Measured every Wednesday since 2026-08-01 — 3 observations to date. Last measured 2026-08-12.
How this is measured
Tier 2; compare issuer/subject and check the SAN list covers the host. Denominator: has_web.
Passive measurement: a single DNS lookup, TLS handshake, or homepage GET per domain. Aggregate-only; no individual company is named. 95% Wilson confidence intervals. Population: national company registries (Companies House, Brreg, SIRENE), sampled by size band and resolved to email-active domains. Parked domains excluded. Snapshot: brreg-norway-per600-seed20260730.
Licensed CC BY 4.0 — reuse with attribution to Quiet Failures. Download: JSON · CSV.
Why it matters
HTTPS is present, the port is open, TLS negotiates — and every visitor gets a browser warning, or would if they checked. Encryption without authentication.
The same check, other segments
- South Korea (domains)34.78%
- Slovakia (domains)16.84%
- France medium companies16.15%
- France micro companies15.58%
- Hong Kong (domains)14.81%
- Japan (domains)13.96%
- France companies13.07%
- Lithuania (domains)11.99%
Show the remaining 65 segments
- UK newly-formed (no accounts filed) companies11.95%
- France small companies11.73%
- Russia (domains)11.61%
- the EU (domains)11.54%
- UK small companies11.48%
- Austria (domains)11.39%
- Germany (domains)11.28%
- Poland (domains)11.21%
- UK micro companies11.05%
- UK companies11.02%
- Ukraine (domains)11%
- UK medium & large companies10.71%
- Taiwan (domains)10.56%
- Vietnam (domains)10.27%
- Czechia (domains)10.2%
- Hungary (domains)10.1%
- Denmark (domains)10.04%
- Estonia (domains)9.93%
- Italy (domains)9.45%
- Thailand (domains)9.43%
- UK dormant companies9.33%
- the Netherlands (domains)9.33%
- Luxembourg (domains)9.09%
- Latvia (domains)8.58%
- France large companies8.11%
- Turkey (domains)7.78%
- global domains7.72%
- Brazil (domains)7.66%
- the UK (domains)7.65%
- Slovenia (domains)7.61%
- France (domains)7.33%
- Ireland (domains)7.32%
- Argentina (domains)7.32%
- Iceland (domains)7.31%
- Sweden (domains)6.94%
- Norway (domains)6.94%
- Switzerland (domains)6.76%
- Spain (domains)6.45%
- Norway medium companies6.33%
- Norway companies6.31%
- the US (domains)5.83%
- Finland (domains)5.58%
- Canada (domains)5.56%
- Australia (domains)5.47%
- Norway small companies5.26%
- Belgium (domains)4.95%
- Greece (domains)4.94%
- Portugal (domains)4.83%
- South Africa (domains)4.68%
- Singapore (domains)4.42%
- Peru (domains)4.11%
- the UAE (domains)4%
- Malaysia (domains)3.77%
- New Zealand (domains)3.67%
- Israel (domains)3.26%
- Croatia (domains)3.19%
- Indonesia (domains)2.9%
- India (domains)2.86%
- Mexico (domains)2.76%
- Norway large companies2.74%
- the Philippines (domains)2.65%
- Bulgaria (domains)2.36%
- Chile (domains)2.16%
- Saudi Arabia (domains)1.64%
- Romania (domains)1.56%