Comodo Essential SSL
If you’re looking for simple encryption for your site, the Comodo Essential SSL certificate is one of the most affordable options on the market. This certificate can be issued in a matter of minutes with the strongest encryption available. Plus, all domains protected by this certificate will display "https" in the URL, along with a padlock icon and Site Seal. However, the main feature of this certificate is the speed of issuance, making it a perfect fit for internal testing domains and light ecommerce websites.