Comodo Essential SSL
EssentialSSL is an inexpensive domain validation certificate suitable for small and medium-sized businesses. The certificate is usually issued in minutes and involves no paperwork. With an EssentialSSL certificate, you get unlimited reissues, mobile browser support and a FREE Comodo Site Seal.
Comodo Essential Wildcard
The EssentialSSL Wildcard certificate is a great value for small and medium-sized businesses. Because it’s a wildcard certificate, you can quickly and easily secure an unlimited number of sub-domains of the same domain name. An EssentialSSL Wildcard certificate issued to *.yourdomain.com is valid for – www.yourdomain.com, secure.yourdomain.com, mail.yourdomain.com, etc.
GeoTrust QuickSSL Premium
QuickSSL Premium is suitable for heavy-traffic e-commerce sites that handle critical customer data. In addition to popular web browsers, QuickSSL Premium supports most mobile and smartphone browsers. This certificate can be purchased in your choice of configurations – As a single-domain certificate (i.e. one common name) or as a multi-domain cert (regular certificate + SAN pack).
RapidSSL is an ideal choice for securing new, small and medium-sized businesses and web pages with limited traffic. RapidSSL is an affordable, domain-validated certificate and is usually issued within minutes. It provides strong 128-/256-bit encryption and comes with a free “Secured by RapidSSL” site seal.
You probably know that each SSL certificate is issued to a fully qualified domain name. This usual method becomes tedious when you need to secure a number of sub-domains on the same domain name. With RapidSSL Wildcard, you can easily secure an unlimited number of sub-domains of the same domain. Online validation, no paperwork.