HTTPS (HTTP over SSL, and is sometimes referred to as SSL) is one part of providing better security and privacy for your users.
A lack of HTTPS can negatively impact your SEO and leave a poor impression on your audience. More importantly it can leave your users at risk.
Some may think only banks or email need HTTPS. This is simply not the case - this article explains in great detail why HTTPS is important for all sites
The good news for you? All of our hosting offers free HTTPS/SSL for the lifetime of your hosting