Year: 2021
Ranking Type: Direct Ranking
| Rank | Certificate Authorities | Score |
|---|---|---|
| 1 | Let’s Encrypt Authority X3 | 0.12 |
| 2 | Go Daddy Secure Certificate Authority - G2 | 0.04 |
| 3 | Amazon | 0.040 |
| 4 | Encryption Everywhere DV TLS CA - G1 | 0.02 |
| 5 | RapidSSL RSA CA 2018 | 0.0195 |
| 6 | TrustAsia TLS RSA CA | 0.015 |
| 7 | COMODO ECC Domain Validation Secure Server CA 2 | 0.015 |
| 8 | Sectigo RSA Domain Validation Secure Server CA | 0.0124 |
| 9 | GeoTrust RSA CA 2018 | 0.0123 |
| 10 | DigiCert SHA2 Secure Server CA | 0.009 |