How Do I Create a Hidden Page in the Navigation Menu?
When creating a page, it’s automatically added to the menu in the site header. To create a hidden page, follow the instructions below.
This guide works only for the menu in the site header but not for the Menu widget.
Go to the Site pages tab and add a new page.
Make up a page title in the page settings.
Click on the menu in the site header on the left panel and delete an item with the page title.
An invisible page can be connected to any element that allows linking.