A sitemap is a visual or text map of a site - a list of all pages organized in sections as they appear on the site. The sitemap is a single file and its presence can have a substantial influence on the popularity of your site, particularly if you have more content. It will enable website visitors to browse through the pages and find what they need quicker, that will increase the chance for them to return to the Internet site or to show it to colleagues and friends. The sitemap is also required for search engines to index your site content better, which means that some pages will be in the results for specific searches, which may not happen without having a sitemap even when you have the required content. This is especially valid if you update some pages because the sitemap tells the search engines that they need to crawl the internet site again to index the new content. Having a sitemap nowadays is essential rather than an optional attribute for every profitable website.