Sape system - a modern service, intended for sale and purchase links from the main and inner pages of sites and source of income for most webmasters runet.

Promotions by registration sites in the directory with direct links to virtually lost its effectiveness. Often, such a promotion of the song can only do harm, having to be counterproductive. This is due to the fact that search engines have launched an active struggle with the trash directories, because they clog up the issue strongly.

In addition, search engines are interested in is to maximize the cost of promotion of sites, since the higher cost of promotion leads to the fact that site owners are beginning to seek alternative ways of advertising, the main of which is contextual advertising.

And it is no secret that Russia's largest search engine, or cooperating with contextual advertising, or have their own service, so that the higher cost of promotion increases the cost of content, and this in turn leads to increased profits search engines - everything is transparent.

This led to the fact that to date, in order to maintain their sites in search tops at competitive requests from many optimizers have to spend huge amounts of money to buy links from the main pages of other sites.

In this situation, the only way to reduce the cost of promotion was posting links to internal, not far from the front, the site. Numerous experiments have shown that this method has very high efficiency and low cost.