1, the optimization traces too obvious site, keyword ranking large area down, many in the home page to the second pages, serious can not find.
2, Baidu gradually pay attention to the user experience, the first few stations often subject very prominent.
3, improve the old station and the portal, the weight of the industry station.
4, strengthen the penalty for the garbage link, so the chain in the essence and not many.
5, Baidu snapshot instability, unexpectedly some of the site appeared 2010 years of snapshots, but also proved that the Baidu algorithm in the adjustment.
Baidu's changes, but also gave us a hint, how we should, do what kind of station, Baidu will like. In fact, the problem, its own Baidu began, webmaster are considering. Who does the internet need to face now? Search engine + user ", does not face the search engine to have no traffic, does not face the user, regardless of user experience, the website does not have the cohesive force.