Sitemaps are mainly used to improve the index process of your website by search engines, they can be used to provide accessibility to certain pages as well. It does not affect the normal way crawler bots index your page – it just extends the visibility and accessibility of your content.
Search engines like Google always try to display the most relevant results to people for any given search query. In order do this effectively, they use site crawlers to read, organize and index information on the Internet.
XML sitemaps make it easier for search engine crawlers to read the content on your site and index the pages accordingly. As a result, this increases chances of improving the SEO ranking of the website.
This is my first time pay a quick visit at here and i am really pleassant to read everthing at single place.