通过一个官方的说法，GOOGLE PR目前正在更换新的一些算法，还在反复的测试，预计会在11月中旬更新。 Yesterday I passed the email to work at Google, a friend asked some questions, including the Google page rank update PR problem, which as a friend reply to me this morning and gave me some answers, I can only share part of the publicly , and according to the friend's reply to e-mail said: "Google's PR website update frequency ratings in fact, very frequently, is basically updated once a month, while Google's * PR ratings showed only a nominal annual update 3 to four times. So do not worry, and there is a message that Google will gradually take down the PR in the annual rating of programs that use the new rating scheme, which is still in internal testing. and we have cancel the Google Webmaster Central site PR rating display. this year, rating the last site update was around mid-November, about three batches for a large number of updates ...