for this problem, everyone’s first reaction: certainly useful ah, it can regulate their chain, prevent spam links etc.. More conducive to the web site in the search engine’s friends.
outside the chain of tools?
removed from the network, the grassroots webmaster dinner on Shanghai Longfeng networker, the main object is the love of Shanghai people. Love any time Shanghai little action affects everyone’s nerves. This is not March 1st rejected outside the chain of tools online just appeared, the webmaster friends into the search engine the whirlpool, you need so tired?