There are a variety of different methods to back up a WordPress site, and each one depends on the activity of the site and convenience. Regardless of which method is chosen, a website must be backed up on a regular basis. This could be daily for a busy site, weekly for a moderately updated site, and monthly for a ‘static’ site. There are a few ways of doing this, and, again, the decision would be down to a businesses resources and technical ability in making that decision.
Site Backups - What we can do
Create an initial backup to be stored locally.
Configure a plugin to create regular backups, span depends on the regularity of website updates.
Create a Dropbox space to hold these off-site.
Set up site ‘uptime’ software will poll the site every few minutes and report any outages
Restore the site if necessary.