Published February 25, 2020
The Answer is B.
A breadcrumb navigation is a secondary menu that provides links back to each previous page the user has navigated through, helping reveal the user's location within a website's architecture and how they got there.
Breadcrumbs can be used on any type of site, but are especially useful and common on e-commerce websites, knowledge bases, news and blog sites, and other websites with content that is grouped into categories and hierarchies.
A breadcrumb trail is useful as an extra feature, especially for users that click-through to a website inner page from search engines: it's been shown to reduce bounce rates as a result. It's also useful for accessibility purposes so users understand where they are located within your site.
That said, a breadcrumb navigation cannot replace a conventional, primary menu.
If your main menu is clear and functional, and your website does not have a lot of hierarchical content, you likely should not implement breadcrumbs. You'll run the risk of having confusing, duplicate content.
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