Relevance of Sitemaps

Sitemaps are very useful to help the search engines to crawl into your site to understand the web structure of a site. It makes it easy for the crawlers to know the listing of all the links with in a website, the priority of the web pages, exact information about the date the webpages were last modified, and the with how much regularity the webpages are modified. In other words the site map is the center of the spider-web. While applying the SEO techniques, it should be ensured that your keyword phrases from the page you are linking to should be in your anchor text on the site map. Being able to inform the Search Engines quickly and simply that your website has changed is of utmost value, because every modification made need to be informed to the Search Engines. Webmasters follow this rule to retain their re-indexing in the popular Search Engines. XML formatted sitemap for your entire collection enables spiders’ capabilities to locate documents with alternative file types among your website files
Most of the search engines index a couple pages with each visit, usually taking weeks or months to become acquainted with your site. But a proper structure of your site via Site maps can speed up that process by making every page easily accessible to the search spider. Sitemap serves as the food of a spider food.
Of lately, Google introduced a feature called Google Sitemaps, allowing webmasters to screen how google analyses the web pages of their site within the Google search engine network and quickly informing the webmasters about the modifications made to the website structure. But still the Google sitemaps is in its infancy and has to go a long way. Once everything will get organized, the Webmasters will be able to monitor: keyword searches that return results from your site, keywords that users click through to access your site, crawl stats for pages which have been crawled successfully, crawl stats for pages which have errors, page rank for each of your website pages, pages which have been indexed, pages which are linking to your site and checking that your robot.txt file is functioning properly.