Directories and their importance for search engine rankings
Today good search engine ranking is the main aim of Directories. No doubt directories are very essential aid in link building and search engine ranking. Directory provides facility for systematic submission of the site. It allows you to submit your website in a specific category. As far as site submission is concerned, generally, site submission can be of two types, first is to submit a fresh website and other one is to submit those sites that are already submitted, some people do so, they just resubmit their web site without making significant changes or without indexing any new page and that is important for search engine rankings.
However, they do not know that all search engines have a good database and if you submit such sites that are already available in the search engine’s database, then your site will be surely spammed.
Basically, directories are not automated programs and generally all the directories are categorized by website experts and used or browsing purpose however they can be searched while search engines do not use them as a browser but they use for search purpose.