A comprehensive guide to SSL certificates

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A full range of SSL products are available on the market today that cater to various domain and security needs. Though many webmasters are exploring the possibilities, hoping a move to SSL will boost their search rankings, it can be overwhelming to try to compare these options, let alone fully understand what you’re paying for.

Many SSL providers offer a wealth of add-ons, which makes comparing providers relatively difficult. This guide will help answer several common questions so that you can find the certificate that best suits your needs:

What type of SSL certificate should I purchase?
Should I use a free certificate or purchase one from a vendor?
Which certificate is best for securing a sub-domain? Multiple domains?
How much warranty coverage do I need?
How do I troubleshoot common installation problems?

What is an SSL certificate?

Before we tackle those questions, let’s cover the basics. SSL stands for Secure Sockets Layer, a security method which allows for the encryption of data when being transferred over a server. SSL certificates help to protect the transfer of sensitive information such as credit card numbers, passwords and usernames, Social Security numbers and more.

[Read the full article on Search Engine Land.]