Generally speaking, sitemaps are categorised into two, 1) An HTML Sitemap - which consists of the information for the users to know the important pages of your website, and 2) An XML Sitemap - this XML format gives information to the search engines about your website. Sitemaps are the integral part of letting the search engine spider know what your website is about and what all it contains. Sitemaps let the spiders crawl the website through the URL's provided in the sitemap, and hence better indexing. Sitemaps can be defined as the "Structured - Page" which consists of the important pages of the website at a single shot, and pass on the information to the search engine spiders. In a more general way, a Sitemap is an XML file that lists all the URLs for a site along with additional metadata about each URL (last modified, change frequency and priority, how important it is from other URL's in the website) to help the search engines to crawl the website more intelligent...