Have you seen a site without links? There will not be a site without links. If a site does not have a links pointed to it we can say that site is almost a dead site. If we do not have out bound links it wont matter but we should have inbound links. Even a site with best content isn’t worth much when there are no inbound links to it.
What is Inbound Links?
An inbound link is a hyperlink back to your site from another Web site. The one constant and reliable strategy in search engine optimization is that sites with a variety of high quality backlinks rank higher in the search engine results pages.