The navigation menu allows us to provide links that direct the user to the most important parts of a site. We discussed the importance of a good navigation menu in Chapter 2, Customizing Theme Design and Layout. Breadcrumbs are a secondary navigation technique that works alongside the main navigation menu.
The main navigation menu points the user to a limited set of locations on the site while the breadcrumbs help the user identify the current location on the site. Once breadcrumbs are added, you will see a set of links on every post and page displaying the path to the current page. The user can use these links to traverse upwards in the hierarchy or downwards in the hierarchy, making it easier to navigate to a certain place even when the menu items are not available.
In this recipe, we are going to use the Breadcrumb NavXT plugin for...