Certificate Authority

Certificate authority (CA) is an entity that issues digital certificates.



We have discovered 70,805,757 live Websites that use Certificate Authority.

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Certificate Authority usage statistics

Total sites that use Certificate Authority 70,805,757 websites
Percentage of website that use category 68.54%
Number if technologies in Certificate Authority 53

Category leader Lets Encrypt
Fastest Growing Technology cPanel CA
Most Popular in Country United States of America

Websites utilizing Certificate Authority

Top websites that use Certificate Authority

Domain Country Rank Contacts
fonts.googleapis.com United States of America 1
facebook.com United States of America 2
www.facebook.com United States of America 2
google.com United States of America 3
www.google.com United States of America 3
wordpress.org United States of America 4
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Top Technologies

Top ten technologogies in Certificate Authority category

Technology Websites Market Share Recent changes
Lets Encrypt 37,050,509 52.33% -32,664
Sectigo 6,651,283 9.39% -66,569
DigiCert 6,436,762 9.09% -3,307
Cloudflare Certificate 5,466,642 7.72% +22,974
cPanel CA 4,921,746 6.95% +313,581
Encryption Everywhere CA 2,740,497 3.87% +60,877

Top technology switches

Number of websites that switched technologies within category in the past 3 months

From To Website Count
Sectigo Lets Encrypt 840772
Lets Encrypt Sectigo 748648
Lets Encrypt cPanel CA 427393
Lets Encrypt Cloudflare Certificate 124828
DigiCert Lets Encrypt 111468
cPanel CA Lets Encrypt 103515

Geographical Distribution

Category usage distribution by websites across the globe.