What is browser ubiquity?
The term “browser ubiquity” describes an SSL certificate’s browser compatibility i.e., the extent to which the Certification Authority’s root certificate is included in the Web browsers on the market. In other words: If the root certificate of the CA is present in the “trusted Root Certificates” store of the browser, then the SSL certificates issued by the CA are compatible with that browser. Thus, a high browser ubiquity means that most existing browsers recognize a certificate, and that secure transactions thus can take place on those browsers. In other words: The more browsers and browser versions supported, the higher the level of browser ubiquity, and hence, the more versatile the certificate is. Most SSL certificate services support all major browsers.
