According to the statement the search engine Yandex, the vast majority own site – this is search engine spam. Values for the visitor, they do not carry any, and, often, and does – consist of one stranitsy.Traditsionno to search engine spam include actions to get your site into the Top SERPs by fooling search sistem.Slishkom high content of such sites, search engines are forced to begin to actively combat nimi.Osnovnymi species are considered search spam: doorway pages, cloaking, swapping, duplication of pages, pages of a glut of key words, redirect (redirect). Doorways. Doorway pages or sites known to redirecting visitors to another site, untwisted site, and its contents may be radically different from the search query for which a visitor came to the doorway. This is the main goal Doorway: redirect the visitor to another sayt.Inymi words, the doorways to help "attract" visitors to different needs. Because the main untwisted site can be optimized under the same requests, and doorways – completely under the other, therefore, untwisted say1t get those and other visitors.
Despite the fact that the doorway will never be visible to users, it still optimize and unwind. For search engine is common site or page, but only as long as the search bot does not understand that it is a one untwisted sayt.Na this site may account for some doorways, and it can be domain names third and second level, which also require material investments. Redirect. Redirection or redirection is carried out by the JavScript runtime or cgi script.