As a part of Search Engine Optimization or SEO Services, it is very important to create a site map. It is easier for robots to crawl your page so you can be listed in search engines via using a site map on your pages, it also makes it easier for your visitors to get around your web site. It’s better to use a site map, or it is very likely that your entire web site won’t be crawled. In the past, I have had navigation on all my pages on my web site, but when I checked google or yahoo, not all my pages have shown up. This problem can be prevented by using a site map. Your site map can be simple. What you need to do is to create a simple page and list evry link in your web site. Also, make sure that the site map is made by text links. Don’t make links with images.