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SSL Grade Leaderboard: Top 100 Websites

Scanned from 20,000 top global websites · Updated 2026-11-08

12,269Domains
32%A+ share (3944)
94.8Avg score
↑ 111Improved this month
#DomainGradeScore30d trendΔTLSIssuerHSTSExpires
11501kh.uaD65—–TLS1.3———
11502kharkov.uaD65—–TLS1.3Let's Encrypt—54 d
11503king.comD65—–TLS1.3——
11504km.uaD65—–TLS1.3Let's Encrypt—56 d
11505konami.comD65—–TLS1.3GeoTrust TLS RSA CA G1—103 d
11506ks.uaD65—–TLS1.3Let's Encrypt—55 d
11507ksj.com.cnD65—–TLS1.3Let's Encrypt—61 d
11508lacity.orgD65—–TLS1.3———
11509lankunkj.comD65—–TLS1.3\E5\AE\9D\E5\A1\94 DV TLS RSA CA 2025—190 d
11510lariviera-casino.frD65—–TLS1.3TRAEFIK DEFAULT CERT—347 d
11511lenovo.com.cnD65—–TLS1.3DigiCert Global G2 TLS RSA SHA256 2020 CA1—85 d
11512leuphana.deD65—–TLS1.3GEANT TLS RSA 1—90 d
11513livedoor.jpD65—–TLS1.3GlobalSign RSA OV SSL CA 2018—42 d
11514lysenzhu.cnD65—–TLS1.3Let's Encrypt—57 d
11515ma.gov.brD65—–TLS1.3kubernetes-ingress-ca—179 d
11516magentocommerce.comD65—–TLS1.3———
11517mailenable.comD65—–TLS1.3———
11518meyerweb.comD65—–TLS1.3———
11519minecraftcommand.scienceD65—–TLS1.3Let's Encrypt—40 d
11520mint.comD65—–TLS1.3———
11521mkdocs.orgD65—–TLS1.3Sectigo Public Server Authentication CA DV R36—59 d
11522multimap.comD65—–TLS1.3Microsoft TLS G2 RSA CA OCSP 16—88 d
11523mvideo.ruD65—–TLS1.3——
11524nespresso.comD65—–TLS1.3———
11525netbsd.orgD65—–TLS1.3——
11526nikkansports.comD65—–TLS1.3———
11527nousresearch.comD65—–TLS1.3——
11528nppa.gov.cnD65—–TLS1.3GeoTrust G2 TLS CN RSA4096 SHA256 2022 CA1—159 d
11529nysun.comD65—–TLS1.3———
11530observablehq.comD65—–TLS1.3——
11531officelive.comD65—–TLS1.3Microsoft TLS G2 RSA CA OCSP 02—26 d
11532ofsted.gov.ukD65—–TLS1.3GlobalSign RSA OV SSL CA 2018—51 d
11533omnicalculator.comD65—–TLS1.3———
11534open.spotify.comD65TLS1.3——
11535openclaw.aiD65—–TLS1.3——
11536openjsf.orgD65—–TLS1.3——
11537orgfree.comD65—–TLS1.3Let's Encrypt—40 d
11538ourmidland.comD65—–TLS1.3——
11539oyez.orgD65—–TLS1.3———
11540pcrm.orgD65—–TLS1.3——
11541penn.museumD65—–TLS1.3———
11542planity.comD65—–TLS1.3———
11543playtech.comD65—–TLS1.3———
11544pluschem.cnD65—–TLS1.3——3609 d
11545plyoga.cnD65—–TLS1.3unknown—866 d
11546police1.comD65—–TLS1.3——
11547pond5.comD65—–TLS1.3——
11548posterous.comD65—–TLS1.3Amazon RSA 2048 M01—185 d
11549privacymark.jpD65—–TLS1.3——
11550privacyshield.govD65—–TLS1.3Amazon RSA 2048 M01—88 d
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FAQ

How often is the SSL leaderboard updated?

Watched domains are scanned daily; the top-20K leaderboard refreshes full snapshots every Sunday.

How is the SSL grade calculated?

Protocol versions, cipher strength, certificate validity, HSTS and OCSP stapling are weighted into a 0-100 score, mapped to grades from A+ to F.

What does an A+ SSL rating mean?

A near-perfect TLS setup: TLS 1.3 enabled, strong cipher suites, full forward secrecy (PFS) and correctly deployed HSTS.

Methodology

CertH grades each domain via pure TLS handshakes (no server access required): certificate validity, key strength, protocol versions, HSTS and OCSP stapling are scored with a deduction model (100 minus itemized penalties) into a 0-100 score mapped to six grades from A+ to F. Daily snapshots accumulate into an auditable health trend.

What is an SSL grade?

An SSL grade (A+ through F) evaluates a website's overall TLS configuration: protocol versions, cipher strength, certificate validity and trust chain, HSTS and OCSP stapling. A higher grade means stronger resistance to man-in-the-middle attacks and data breaches.

Why track certificate health over time?

Expired certificates, CA switches and configuration regressions can silently drag a grade down. CertH daily snapshots record those changes so you can spot risk before failures, with auditable history as evidence.