Breadcrumb navigation is wonderful for usability and for SEO. This text-based navigation shows where in the site hierarchy the currently viewed web page is located and your location within the site, while providing shortcuts to instantly jump higher up the site hierarchy.
breadcrumbs makes a web structure more crearly and more likely for Google.
This is also for users. The best use of it is on bigger sites where you have a lot of subsites.
Bread crumbs are used for easy navigation. Bread crumbs are links to the pages you've already been to in order to get to the page that you are currently on. You can see bread crumbs on many pages. They appear like this
Home->Software Development->Mobile Application Development
A breadcrumb is a one type of navigation for a particular website. It makes it easier for the visitor to navigate through a website, generally display like this: Home -- > Category -- > Sub Category. These also make it easy for search engine to crawl more of your website.
Bread crumbs are a basic navigational tool used on many Web sites. They are links to the pages you have already been to in order to get to the page that you are currently on.