Publish a regular newsletter. Post the content of the newsletter on your website. Include a statement in the newsletter “If you have enjoyed the newsletter, please include a link to your site. Include your URL in the statement.
Publish articles on other sites like ezines, informational sites, article banks, and media sites. There are many article sites on the web so simple Google “article submission sites” and use the sites to broadcast your message in the article. Use well written content on the site and with all of your publications. It is an old system but it is very effective.
Submit your site to legitimate award sites. Volunteer to become an editor for one or two directories. When you know the market better you build a better network of peers.