how to save our snapshot, first we analyze what is the site is down right performance, so as to compensate for the loss of an antidote against the disease.
general site outside the chain is to eliminate a great deal of two factors: "cheat" or remove the low quality of the chain, but no matter what kind of it will directly affect the site’s ranking, although the latter is not directly down the right performance. But the chain is a large number of culling is bound to affect the site ranking, here we will not do too much exposition. As for cheating site will be right down, or have been down right outside of the chain on the fluctuation must be great. And this momentum will start out until removed faster and less faster, and included in the new chain still >