Category - Certificate Authority

We have discovered 215,743 live websites that are using ZeroSSL CA.

Download website list

Technology usage statistics

Websites using ZeroSSL CA 215,743 websites
Most popular in the country United States of America
Market position in Certificate Authority #21
Market share in Certificate Authority 0.29%

Technology adoption

Recent changes in ZeroSSL CA usage. (See ZeroSSL CA Usage Changes report)
Websites that added ZeroSSL CA +13,192
Websites that dropped ZeroSSL CA -5,047

Distribution by websites popularity

ZeroSSL CA detection in the top websites by popularity
Top 10k sites 14 websites
Top 100k sites 277 websites
Top 1m sites 3,158 websites

Websites utilizing ZeroSSL CA

Top websites that use ZeroSSL CA

Domain Country Rank Contacts United States of America 777 Brazil 2,300 United States of America 2,609 Brazil 5,073 United States of America 5,371 United States of America 6,085
See full domain list
Flat price per the report, subscription is not required.

Market Share

ZeroSSL CA market share within the Certificate Authority category

Geographical Distribution

Technology usage distribution by websites across the globe.

Alternative Technologies

Lets Encrypt: Total 35,950,344 domains found using Lets Encrypt
DigiCert: Total 6,286,841 domains found using DigiCert
Sectigo: Total 6,149,105 domains found using Sectigo
Cloudflare Certificate: Total 5,325,583 domains found using Cloudflare Certificate
cPanel CA: Total 4,458,951 domains found using cPanel CA
Encryption Everywhere CA: Total 2,581,280 domains found using Encryption Everywhere CA
GoDaddy CA: Total 2,126,843 domains found using GoDaddy CA
Starfield CA: Total 1,820,694 domains found using Starfield CA
RapidSSL CA: Total 1,539,927 domains found using RapidSSL CA
GlobalSign CA: Total 1,411,570 domains found using GlobalSign CA