Mirror Sites
 

Most of the search engine, do not want the same web content in the search results appear at the same time, but because discriminant method is different, some people will copy the same has been optimized and get a good ranking web page, then set up another web site, or for one optimized pages, copied to another page, only a slight modification, and deceive search engine, make search results have more than one rank.

If we use different content from other sites in our site than we will get a good position in the search engine.