A "Coming Soon Page" is a landing page when the site is under construction, this mode can be used when the site is under development or if the site is still not ready to be launched.
Go to SETTINGS and select GENERAL SETTINGS, the setting will be inside "General". Click on the Website Status dropdown, select “Staging Mode”:
Editing the Coming Soon Page
As soon as "Staging Mode (shows pre-registration form on homepage)" is selected a link will appear:
** Clicking on this link opens up the web page, this web page is only available through this link. It will not be found inside My Content >> Web Page Builder.
This page comes with all of the standard web page functionality.