Top SSL/TLS Certificate Authorities
Tracking 22 technologies in SSL/TLS Certificate Authorities
This SSL/TLS Certificate Authorities list is updated daily.
Cloudflare and Let's Encrypt are used by almost 100% of all the websites on the web and of all the 22 SSL/TLS Certificate Authorities we track, including Google Trust Services LLC, DigiCert, etc.
Cloudflare is roughly used by 99.99% and Let's Encrypt is used by 0.01% of websites respectively.
Top 10 SSL TLS Certificate Authorities
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Cloudflare
18,184,355
Let's Encrypt
1,185
Google Trust Services LLC
149
DigiCert
146
Sectigo
77
GeoTrust SSL
3
WISeKey
3
Wells Fargo SSL
3
Site Blindado
3
Microsoft SSL
3
TWCA EV
2
McAfee SSL
2
Cloudflare SSL
2
Aetna
2
XTrust
1
Teleflora SSL
1
RapidSSL
1
China Financial Certification Authority
1
Apple SSL
1
Identrust
1
AWS Certificate Manager
1
