A staging website is a website with a particular suffix that does not consume a Website package allowance. A staging website has all the same features as a standard website except domain mapping and emails.
A staging website can be identified in Control Panel by an STG tag:
STG
To add a staging website:
Open Websites in the left sidebar
Click Add new
Select either Start from scratch, Install an app, or Clone a website and select the *Make this a staging site checkbox.
Click Add to finish
To push a staging website live:
Open Websites in the left sidebar
Select the staging website you would like to push live
On the website, dashboard select Push Live
When the modal loads, input a domain and click push live to finish