I've switched this site to HTTPS, a secure connection, using a ssl proxy service provided for free by Cloudflare, for reasons. Let me know if you come across any issues.
For those using WordPress, changing the settings Site Address and WordPress Address to HTTPS may make your site unavailable. FYI, the solution I settled on is to install the WordPress HTTPS plugin. Then I set the Site Address to HTTPS. Finally, I cleared the cache. All is working fine now.
Update (06/02/15):
I've moved away from Cloudflare as my DNS provider and as a side-effect this means I'm no longer HTTPS for now. Sorry.