Exchange options - a system for buying and selling of links, organized on the principle of commodity exchange. Exchange options are used to promote sites optimizers on the one hand, as well as earnings on the internet site owners - with the other.

One of the factors that affect rankings in search engines is the quantity and quality of inbound links to your site. One of the most effective tools for building a reference mass of the site are so-called. Exchange links. Number of users of such systems is constantly growing.

As for tangible effect must be sufficiently large number of external links (from several tens to several thousand), need a tool to automate their deployment. Exchange options are an alternative to manual exchange ssylkami.Stoimost of a link depends on the settings page, which are sold here and can vary from one cent to several hundred dollars a month. These parameters are:

* Nesting level page (home, 2 nd, 3rd, etc.)
* Topical index citation Site (CY)
* Google PageRank page placement
* The number of outbound links from a page
* Quality of the page and site in general
* Subject Site
* Age of domain
* The presence of filters superimposed on the search engines
* Quality of site for posting links (higher to the top, surrounded by other links, etc.)
* Availability of site in directories DMOZ, YACA
* Level domain
* Zone domain

The price of a link determines the webmaster with the above parameters. Optimizers buying links from sites on the most suitable for them cost.

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