Even if you are not accepting credit cards on your website, you now need SSL. SSL means that you have installed an SSL certificate on your website and that all information transferred between a browser and your web server is secure. It cannot be intercepted. In the browser, you should see "https" instead of "http" on the address bar of your browser.Read More.
The web is in the process of transitioning from a mostly insecure system to almost an entirely encrypted system, and that means having an SSL certificate. The Chrome browser labels non-encrypted sites as "Not Secure" and SSL sites are labeled with a small padlock next to the address.
Advantages of SSL
Another huge advantage to SSL is SEO or Search Engine Optimization. Check the Google search on any word or phrase that relates to your industry. You will find that most or all of the first page of the Google search results shows https, not http, because Google is using SSL as a factor in ranking sites.
How to get an SSL certificate
SSL certificates are now less expensive and easier to install. Ask your web host about installing one. Today Data and Web Services offers free SSL certificates for Wordpress and other customers on our Linux host and an SSL certificate for Windows server users can be purchased for $29 per year. Be sure that all http traffic to your site is automatically redirected to https after installation of the certificate.