Certum CA

Category - Certificate Authority


We have discovered 31,508 live website that are using Certum CA.

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Technology usage statistics

Websites using Certum CA 31,508 websites
Most popular in the country Germany
Market position in Certificate Authority #20
Market share in Certificate Authority 0.62%

Technology adoption

Recent changes in Certum CA usage. (See Certum CA Usage Changes report)
Websites that added Certum CA +730
Websites that dropped Certum CA -733

Distribution by websites popularity

Certum CA detection in the top websites by popularity
Top 10k sites 8 websites
Top 100k sites 347 websites
Top 1m sites 2,915 websites

Websites utilizing Certum CA

Top websites that use Certum CA

Domain Country Rank Contacts
aparat.com Iran, Islamic Republic of 1,352
www.aparat.com Iran, Islamic Republic of 1,352
thewitcher.com Poland 4,020
empik.com United States of America 4,184
www.empik.com United States of America 4,184
credit-agricole.pl Poland 6,727
See full domain list
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Market Share

Certum CA market share within the Certificate Authority category

Geographical Distribution

Technology usage distribution by websites across the globe.







Certum CA often used together with


Category - Web Servers.
Apache is used together with Certum CA on 21,716 domains. Total 3,668,704 domains found using Apache
Category - Document Encoding.
UTF-8 is used together with Certum CA on 19,783 domains. Total 8,059,052 domains found using UTF-8
Category - Document Standards.
JavaScript is used together with Certum CA on 15,585 domains. Total 6,019,684 domains found using JavaScript
Category - Document Encoding.
ISO-8859-1 is used together with Certum CA on 14,731 domains. Total 1,250,853 domains found using ISO-8859-1
Category - Programming Languages.
PHP is used together with Certum CA on 13,729 domains. Total 3,970,765 domains found using PHP
Category - JavaScript Libraries.
jQuery is used together with Certum CA on 12,989 domains. Total 4,033,938 domains found using jQuery


Alternative Technologies


Actalis CA: Total 40,111 domains found using Actalis CA
AlphaSSL CA: Total 87,704 domains found using AlphaSSL CA
Apple CA: Total 1,742 domains found using Apple CA
AWS Certificate Manager: Total 197,850 domains found using AWS Certificate Manager
Cloudflare Certificate: Total 728,708 domains found using Cloudflare Certificate
COMODO CA: Total 39,787 domains found using COMODO CA
cPanel CA: Total 429,379 domains found using cPanel CA
Cybertrust Japan CA: Total 30,780 domains found using Cybertrust Japan CA
DFN-CERT: Total 9,785 domains found using DFN-CERT
DigiCert: Total 392,662 domains found using DigiCert