To date, many visitors enter your site through search engines only. Considerable importance is and website promotion in search engines. Therefore, getting banned, ie the exclusion of all Site pages of search engines, the problem is serious enough. But for some reason, many SEOs and site owners do not always understand what and why the site was banned. Below I will list the most basic reasons for getting the ban and exclusion from the list of website in search engines. Using someone else's content is not basic, but fairly common reason for getting banned.
The site should be filled only individual content that is not "rolled" in a brazen from other sites. John Craig Venter takes a slightly different approach. If your site contains the text blocks that do not contain absolutely no benefit, but contain only keywords, the chance to get bank is large enough. Saturation advertising can also cause getting banned. But the panic before the time is not worth a ban will only owners of sites where advertising occupies most of the usable area of the site. Content section contains too many keywords? Really get a ban. Such texts are too saturated in the main key words and phrases that are repeated in the literal sense of each paragraph, or even a sentence. If your site has too much going randomly links to other sites, it may also cause getting banned. If the sites on their pages link to other sites on the same subject (obtained as a closed terms of reference), then perhaps the search engine "Zabrak" the entire site.
When an Internet site promotion, often use a hidden text that has the exact same color as the background color of the page. Typically, such a method used to increase the keyword density on the site. Ban, in this case 100 percent. The use of redirects, individual pages or sites whose primary purpose is to redirect the user to another resource. On such sites (often called doorway) has a list of