What are Sitemaps? Sitemaps are an easy way for webmasters t0 inform search engines about pages 0n their sites thar are available for crawling. In its simplest form, Sitemap is an XML file that lists URLs for site along with additional metadata about each URL (When it was last updated. how often it usually changes and how = URLs in the site) 50 that search engines can more intelligently crawl the site Web crawlers usualy discover pages from links within the site and from other sites. Sitemaps supplement this data t0 allow crawlers that support Sitemaps t0 pick up all URLs in the Sitemap and learn about those URLs using the associated metadata Using the Sitemap protocol does not guarantee tat web pa engines; but provides hints for web crawlers t0 do better job of crawling your site . Sitemap 0.90 is offered under the terms of the Attribution-ShareAlke Creative Commons License and has wide adoption; including support from Google, Yahool , and Microsoit