Each Online business store has a default page that can be gotten to by the store's base URL. At the point when a guest contacts the site, and no other page is determined, the default page is displayed on a site.
Additionally, to determine a mistake of "Page Not Found", the default pages are utilized. By and large, the landing page of a site is the default page.
The administrator can follow these moves toward set default pages Magento 2.
For more info , visit : https://meetanshi.com/blog/set-default-pages-in-magento-2/