by Radek Mezulanik on WordPress.org
Set you website under maintenance to lock content while development.
You can lock whole website by setting it under maintenance.
Features:
Select roles who applies maintenance mode
Set a redirect to login page
Edit a maintenance message in wysiwyg editor including media
Productboard
The Knowledge Tags from Yext plugin lets you sync your location data other business content from Yext to your WordPress site as well as adding schema.
Intelligently insert speed bumps into site content.
Place random quotes or trivia facts on your site through shortcodes or widgets