Monitor server performance using tools like UptimeRobot to catch downtime before users do. Optimize your site's codebase and database to avoid resource hogs-bloated scripts can tank shared hosting. Use a CDN to offload static content and reduce server load.

Regularly back up your site via cPanel or plugins to dodge data loss from host-side glitches. Keep an eye on traffic spikes with analytics to prevent overloading the server's bandwidth. Lastly, harden security with SSL and firewalls to fend off DDoS attacks that could crash your setup.