One of the main factors that Google and other search engines use to set their result pages is the number of quality backlink to the website. In the begining of the SEO they have really big power for the SERP, but last years a lot of sites start to buy a huge amount of backlinks just go up in the SERP. So now Google reccomend to website owners not to buy links and to try to make nice and easy to use content and the links will come naturally. Contact Us and we will give you more info on how to gain good backlinks to your website.