'Purify WordPress Menues' refines the HTML output of both navigation menues and page menues. It filters the output of the WordPress core functions wp_nav_menu() and wp_page_menu().
This plugin deletes the CSS classes you do not need in a navigation menu and page menu. It slims down the HTML code of WordPress menues to the only neccessary CSS classes you want for your theme.
This plugin deletes the ID attribute of each menu item. In most cases the ID of every menu item is not needed.
Menu items which are parents of the current item will not be classified as ancestors additionally. The output of class="current-menu-ancestor current-menu-parent" is reduced to class="current-menu-parent".
This plugin filters out the old CSS classes of page menues in navigation menues. This does not effect the output in page menues.
The visual appereance of menues in the frontend remains unchanged in most cases. If you should see an undesirable visual effect to the menues in your theme you can activate the needed CSS classes on the plugin's options page.
The default setting is to output only the CSS classes for the current menu item.
You can select and deselect in detail any CSS class WordPress would add to menu items via wp_nav_menu() and wp_page_menu() and you need for your theme.
You can control whether the id attribute of each navigation menu item is printed out or not.
You can control whether parent items will be additionally classified as ancestors item or not. You can activate to print out both classes on parent items or just parents classes.
You can control whether navigation menues will be additionally classified with the older page menu classes for compatibility or not.
If you deactivate the plugin, your settings remains.
If you delete the plugin via the WordPress 'Plugin' menu, your settings will be deleted, too. No useless option remains in the WordPress database.