An HTML sitemap can be used effectively to increase the usability of a website by providing a page that links out to every page on the site.

to crawl all pages of your website priority wise.

To Google to crawl your site

Sitemap is just like a website structure, it easy to understood for search engine :)

sitemap is actually a map which shows the path of your pages and the material contained in your links.

sitemap is actually the structure of a website which tells the webmaster about the URL of our website .