Simple maintenance mode for a site.
Gatekeeper allows administrators to take a WordPress site offline while leaving it accessible to authorized users for maintenance, testing, etc.
Create a completely independent test site using existing hosting that is only available to administrators.
Provide Manifest and Service Worker, convert WordPress into Progressive Web Apps (PWA).
Aautomatically alert your visitors when they've lost internet connectivity
Allow your users to read your content even while offline.
This plugin enables you to display how many users are online, offline and away to main administrator of on your WordPress site.