07-26-2015, 11:24 PM
What you could do is find websites with high PR and post on the forums there or post blog posts and link it back to your site. Find out what keywords are important in your field and try to write around that as its most searched.
While there are other ways to do it this is the free way but it may take a bit longer then normal.
While there are other ways to do it this is the free way but it may take a bit longer then normal.