3) WordPress Notification Bar by SeeProd

The WordPress Notification Bar plugin is a quick and simple call to action for any type of WordPress site. This plugin offers multisite support, unlimited color choices, custom messages and much more. The plugin supports translation, social media icons, and unlimited custom messages to any page or post.

This WordPress notification bar plugin has both a free and pro version. The free version is available from WordPress, and the pro version includes advanced features like full support. This plugin is ideal for beginners or anyone who wants a quick and easy setup.