If speed and cost are your primary concerns, an SSL123 certificate provides full 128/256-bit encryption for basic transactions.
If full authentication is a priority for more sensitive transactions, the SSL WebServer is a cost effective option capable of 256-bit encryption.
Server Gated Cryptography (SGC) certificates were originally issued only to financial institutions. These certificates maximize security for older browsers.
This certificate triggers the green address bar in the latest web browsers for the highest level of visitor confidence.
Secure multiple subdomains on the same server with a wildcard certificate.