Breadcrumbs are graphical control element used as navigational aid in user interfaces. Today I am going to explain how it can be implemented in Ruby on Rails in simple steps as follows: Step 1: Create a sample app using scaffold Step 2: Add"breadcrumbs_on_rails" gem to the Gemfile and install it. Step 3: Create a home.html.erb in articles for home page and route for it. --> app/views/articles/home.html.erb Welcome This is the home page of Sample Article <%= link_to "Articles", articles_path%> --> config/routes.rb root 'articles#home' Step 4: Add breadcrumb for home page. In Articles Controller create method “add_breadcrum” to set the braedcrumb for home path like this: --> app/controllers/articles_controller.rb defadd_breadcrum add_breadcrumb " Home ".html_safe end For every view page set home page as the first breadcrumb in articles controller by the default using: before_action :add_breadcrum...