Off-Site optimization playing a major role in any web-site ranking. Off-Site optimization refers to the factors that you can’t control it in your site. One of the most critical parts in Off-Site optimization is back-links. The search engines sees the back-links as it’s voting for your site, and as this voting increases your ranking increases also. There are many ways that enables you to get back-links to your site in order to get high ranking position for your site, however we will mention the most two important ways.