You should always keep backups of your website — there's no other way to prepare for the unexpected. GoWebsite gives you two options for backups:
|Automatic||Yes||Available through Site Backups|
|Manual||No||Use this article|
Manually backing up your website in Plesk temporarily brings it down. Visitors to your Website will see a 503 Service Temporarily Unavailable page.
You should also back up databases on your account.