You can see overall statistics for CAs at [0] or [1]. Google recently created its own CA for its properties [2]. [0]: https://trends.builtwith.com/ssl/root-aut

You can see overall statistics for CAs at [0] or [1]. Google recently created its own CA for its properties [2]. [0]: https://trends.builtwith.com/ssl/root-authority https://trends.builtwith.com/ssl/root-authority [1]: https://en.wikipedia.org/wiki/Certificate_authority#Providers https://en.wikipedia.org/wiki/Certificate_authority#Provider... [2]: https://pki.google.com/ https://pki.google.com/