First you need to Search right link submission how to search right sites? what ever you want to search you need to right your keywords within "inverted commas" in search engine because search engine provide filters site to submit your link in best sites .e.g "free link submission"SEO right in search engine you will get filters link submission sites. Then chose right category which relevance to your site give your site tittle, your site url and in description put your Right keywords click submit button your site url will be submitted

Directories reciprocal links:

Some directories wants reciprocal links we put this link to the front page of our blog then submit these directories.