Baidu, Google update date

Google Update time

Forecast: Time included: 1th days after update; Update time: Update every seven days (ranking effect is small); Big update time: Monthly Update (ranking impact big), PR Update 3 month update (September 20 updated and so on), because there are different server update total time for one week. Google has two kinds of reptiles is a collection of reptiles, this crawler is dedicated to the use of the site, there is an increase in the ranking of reptiles, this crawler is a comprehensive calculation of the link with the crawler, and the ranking of stability and location is very important.

So some new stations, in the first time when the ranking is not very good is very bad, this is because the first reptile reasons, but the site dropped do not worry, the real row station in three months after the second crawler to come into force. And Google Google researchers have found a very simple way to see if Google's several mirror sites are the same, because during the Google Update, He always www2.google.com or www3.google.com as an update test site, during which the number of pages indexed in the latter two sites will be different from the main site. For example, when we www.google.com www2.google.com www3.google.com There is a situation: three sites to search the same keyword, the number of results is not the same, which means that Google is updating.

Google's massive update, called Google Dance (dog dancing) abroad, has a website specifically designed to help us check if he is dancing http:// Www.google-dance-tool.com This site provides a tool, through this tool, we only need to enter a keyword and then click a button, we can see the Google three mirror site search results, it is convenient for us to compare