Back link building is the best way to increase your search engine ranking and ultimately results in increase in higher ranks.This will result in more visitors--higher ctr--more AdSense income. It's very important to build quality link.If your site link present on good site your search engine rank will increase and on poor site will decrease your ranking.The best way to place a link is to post it on forums.It is not like a exchange program.You post your link and they will not keep their link on your site.Its very important to visit the forum,post the article,comment on others article and post your link regularly. Google spider give more important to forums as compare to free classified ads.Side by side keep on posting your link on SEO forums. While doing back link building for your website don't ignore the blog. Normally people think that blog is the place where we read if we like the content.But here you allow to comment.If the blog is of same type it will result in q