To unpublish your site, log into your sitebuilder and find Home. Next to the small preview screen of your website, you will see two buttons: one labeled Visit Site and one labeled Unpublish Site. Click the Unpublish Site button. You can always publish the site again when you are ready.
How can I unpublish my site?
Click the Unpublish button on the homepage of the sitebuilder to take your website offline.