The EZP Coming Soon Page WordPress plugin is good to use for new launches/maintenance or when the site needs to be offline for a while. The same developers you made the backup/clone plugin Duplicator has made the Coming Soon Page plugin. The user interface is easy to understand, and the maintenance screens look really nice.
Coming Soon Template -> Style settings screen.
Go through and se the various text you need to use.
Preview tab (default)
There is also a Settings screen with Basic and Advanced options.
There is also a Coming Soon Page Elite / Premium plugin which offers these features:
Google Fonts & Effects
Auto disable page when countdown hits
Auto-sync your subscriber list to MailChimp. No need to export and import!
Grant site access by person or group or IP with Advanced Access Control.
Extra social icons, including Instagram, LinkedIn, YouTube and more.
Receive emails when subscribers sign up.
More features being added all the time!
This article was originally published 17 October 2016.