Google is now giving preference to websites who use a SSL certificate. You can tell if your site is secure when you see the HTTPS protocol in your browser’s location field, and confirmation is usually provided by the browser with a little “lock” icon.
This means that any form submissions are sent securely.
For most purposes, a simple free certificate provided by Let’s Encrypt via your host, will suffice. We can coordinate the installation of this.
If you have an e-commerce site, you’re better off with a paid certificate, which you can think of as providing insurance (sometimes literally) that your site is secure.
Every website’s needs are different, so contact us for details!