What is Sitemap? A sitemap is a set of links that outlines a website's formation. It shows the complete structure of a website and guides search engines as well as people to get the most out of it. Kinds of Sitemaps There are two types of sitemaps, one for search engines specially and the other one for human beings and search engines. Sitemaps which are used to help people explore the site more efficiently is known as HTML (Hyper-Text-Markup-Language) sitemap (It also helps search engines to crawl the site better). The sitemaps that are used for search engines specifically (crawlers, bots or robots etc) are more than one. Some of the search engine uses XML (Extensible Markup Language) sitemaps and some also uses simple txt files showing links (one in each line). HTML Sitemaps Webmaster and SEO’s have been using this kind of sitemaps since years as this provides better search engine visibility as well as visitors can be guided in a better way. Making a HTML sitemap is easy; you just have to place your website’s internal links in one page. XML Sitemaps XML sitemaps are becoming more popular day by day as Google uses XML sitemaps for their search engines to crawl better. It is a file containing structured list of link in “Extensible Markup Languageâ€. www.xml-sitemaps.com is a good place to make xml sitemaps in one click; it does all work for you. You just have to put your url and choose some options. It makes an xml file for you; you can upload it to your server and use that link for search engine to follow. Text Sitemaps Text sitemaps are nothing new; we all know it is just a list of url’s in a simple text format. Yahoo has been using text sitemaps for their sitemap crawlers. A sitemap is in essence a page which lists all your site/blog links to all the different pages of your site. As a general principal, we know that the links should not be exceeded more than 100. Therefore, we use more than 1 pages to display our sitemaps if we have more than 100 links.
Thx, that is a helpfull resource. Try also http://www.webrickco.com/buildsitemap.php for sitemaps until 10000 links.