Managed Site.
If you are using a site that manages your backend (Wix, wprdPress.com, Go-Daddy, etc) there is not too much to do excecpt pay the extra cost of a managed site.
If you manage your own site then it gets a little more difficult.
1. Backup – you should always set up a site backup. Some manged plans will not let you, which can be very bad if you decide to change site vendors.