RapidSSL is a popular DV SSL certificate because of its low cost and standard 128/256-bit encryption. For entry-level websites that have limited budget but demand for standard security level, the certificate is an ideal option. Plus, it is renowned for fast issuance process and over 99% of browser compatibility.
RapidSSL Certificate Features
No, this cert secure 1 domain Only. Want to secure more than 1 domain (or subdomain) with 1 cert, check out Multi Domain SSL.
No, this is not a Wildcard SSL. If you want to secure all the next level sub domains, checkout Wildcard SSL.
Green Address Bar
Not Support. To get a Green Address Bar for your website, you need an EV SSL.
Compatible with all mobile devices
Compatible with all major browsers of desktop and mobile