The best SSL certificate is quite a relative concept. In fact, the SSL certificate that meets your needs is the best SSL certificate. Today, mobile compatibility for web sites is very important. When purchasing an SSL certificate, consider whether you have a mobile-compatible SSL. However, it should be emphasized that the world's most prestigious SSL certifications are EV SSL Certificates that provide green address bar. Security-conscious sites such as corporate sites, bank sites, and e-commerce sites use green SSL certificates.