I've switched hosting providers! The site is now being served by DigitalOcean. I wasn't particularly unhappy with my prior host, but I had been running into some technical difficulties that were tough to address on a shared server environment. With DO, the site is now on its own virtual private server, so I have a lot more control. My experience as a server admin is moderate, but DO has had a user-friendly tutorial for everything that I needed to install and set up. Their pricing...