SSL is an important feature for every site. It protects user accounts from being compromised, protects the content from modifications by ISPs and attackers, protects potentially-sensitive information submitted to the site from <a href="https://en.wikipedia.org/wiki/Packet_analyzer">network sniffing</a>, could speed up performance of your site (depending on server configuration), and could improve your site's <a href="https://webmasters.googleblog.com/2014/08/https-as-ranking-signal.html">search engine rankings</a>.