Even with the best possible design of any single page, your
site will fail to attract visitors if not equipped with a neat, consistent, and intuitive
navigational interface. 83% of potential customers leave a Web Site due to frustration
with navigation (NetSmart Research). So It's all about the navigation.
According to Jacob Nielsen - Web usability Guru - "users look straight at the content
and ignore the site navigation areas on the site when they scan a new page." So
webmasters need to carefully select their site navigation system. So here is the site for
site without having a look at site navigation guide