Baidu Webpage search quality paper said, the search engine's mission is to provide to the user can meet their requirements, high quality content, Baidu search engines will be based on the quality of the Webpage sort adjustment.
The search engine algorithm change is a secret, the search engine change over time, as the next second, where you will, no one will know, is not always feasible way, but one thing is the best teacher: site optimization is the user.