Site structure is a vital aspect of your SEO strategy. The structure of your website shows Google which pages of your site are most important. This means you can influence which articles will rank highest in the search engines with your site’s structure. So, better get it right! It’s also a very actionable part of your SEO strategy. You can all start improving your site structure today. In this SEO basics post, you can read why site structure helps SEO, and we’ll give three quick tips on how to start improving your site’s structure.
Source : Yoast