Magento Open Source 2.1.x
Default Pages

The Default Pages configuration determines the landing pageA page on your site where a visitor arrives after clicking a link or advertisement. that is associated with the base URL, and the corresponding home pageThe first home page a visitor sees when they access your website URL. Considered the most important page on your website according to search engine indexing.. It also determines which page appears when a “Page Not Found” error occurs, and if a breadcrumb trail appears at the top of each page.

To configure the default pages:

1. On the AdminThe password-protected back office of your store where orders, catalog, content, and configurations are managed. sidebarThe right or left column of a two-column page layout., tap Stores. Then under Settings, choose Configuration.
2. In the panel on the left under General, choose Web.
3. Expand the Default Pages section. Then, do the following:
a. In the Default Web URLUniform Resource Locator: The unique address of a page on the internet. field, enter the relative path to the folder in the Magento installation that contains the landing page. The default value is “cms.”

For a specific store view, clear the Use Default checkbox next to the Default Web URL field, and any other default fields to be changed.

b. Set CMSContent Management System: A software system that is used to create, edit, and maintain content on a website.  Home Page to the CMS page to be used as the home page.
c. In the Default No-route URL field, enter the relative path to the folder in the Magento installation where the page is redirected when a “404 Page Not Found” error occurs. The default value is “cms/index/noRoute.”
d. Set CMS No Route Page to the CMS page that appears when a “404 Page Not Found” error occurs.
e. Set CMS No Cookies Page to the CMS page that appears when cookies are disabled in the browser.
f. If you want a breadcrumbA navigation aid that helps the user to keep track of their location within your store. trail to appear at the top of all CMS pages, set Show Breadcrumbs for CMS Pages to “Yes.”
4. When complete, tap Save Config.