In today's world it is impossible to conduct, or a business without a website on the Internet. Anyone can visit the site and see the product catalog, prices, read the agreement on cooperation and learn about ways to pay for the goods. That is, find out all the detailed information about your company from home and make a decision – to buy the goods from you or someone else. The site – a person of the company. The question of the creation of sites is clear – the more expensive will be the site, the beautiful design will be and the more it will attract the attention of visitors. But here's how to bring visitors to the site? Since search engines are considered authoritative sites in the SERP based on references that link to those sites, get links was an essential element in optimizing Web sites and a major factor in search engine promotion. A logical continuation of the process of getting links to become a paid receipt from through exchanges of links. Link has become the main instrument for a person who is promoting his site and wants to see him in the top ten search results.

To facilitate the process of buying options and to avoid controversy and webmasters Advertisers began to appear on the stock exchange sale and purchase links. One of the first appeared on the market service sales options MainLink, and continues to occupy a leading position in this field. The system was created enormous number of functions under a variety of tasks, from assessing the links to a fully automated for mass purchases. On the interface site the best specialists in the field of usability and design. The interface is easy to used and implemented in Russian and English languages. Keep buying links in the system can a person familiar with the basics of site promotion, and beginner.