Fast walking through the pages on the Internet is possible due to hyperlinks. This is a link between those who want to find information and its location.
You can not submit a website on the Internet without your own banner. Such advertising not only allows you to attract visitors, but is the "face" of the site, its image.
In order to get into the top search engines and from the search results, have part of the traffic on your resource, the site needs to be promoted at certain requests.