A sitemap is a visual or text map of an Internet site - a list of all web pages organized in sections as they show up on the website. The sitemap is a single file and its presence can have a significant influence on the popularity of your site, especially when you have a lot of content. It will make it possible for site visitors to go through the webpages and find what they need much more quickly, 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 like google to index your site content better, so some pages will be in the results for certain searches, which will most likely not happen without a sitemap even when you have the necessary site content. This is especially valid when you update some pages because the sitemap informs the search engines that they have to crawl the website again in order to index the new content. Having a sitemap today is essential rather than an optional feature for any successful website.