Easily add a log out link or button to a post or page using a simple shortcode.

after removing the admin tool bar this plugin restores a 3.2-like header with a single one click logout barless simplifies logging out of wp dashboard

Displays a reminder to users to remember to log out whenever they log in to the admin area.

This plugin is very popular. It has been downloaded over 1000 times in several months: https://wordpress.org/plugins/office-visits-logbook/advanced/

Logout Link Placement Plugin allows you to place the logout link in the left navigation of the administration panel.

Allows simple embedding of a log out button using one of three shortcodes corresponding to a different redirect option

Attention: PHP version and WordPress version may have compatibility issues. For example, WordPress 5.4 may not match PHP 8. Check this website for details: https://make.wordpress.org/core/handbook/references/php-compatibility-and-wordpress-versions/