erayalakese

With this plugin you can warn other wp-admin users. For example, you can type “Don’t touch widgets! I’ll fix it tomorrow !”

Warn Other Admins

With this plugin you can warn other wp-admin users. For example, you can type “Don’t touch widgets! I’ll fix it tomorrow !”

freemp

A simple, lightweight WordPress plugin for displaying a notification bar at the top of the webpage if 1st-party JavaScript is disabled. If appropriate, the entire website may as well be blocked by a full-page overlay instead of just a small bar.
The plugin offers configuration of background and foreground color, opacity, notification message text and font size. Individual customization by means of CSS snippets is also supported.

JavaScript Notifier

JavaScript Notifier allows you to inform visitors that your website requires JavaScript.

Warn Other Admins vs JavaScript Notifier