Search engine optimization: Baidu and Google update time

As an SEO (Search Engine Optimization) person, you have to pay attention to it all the time.SearchEngine Update time, from the web page to the home page snapshot update. Most of the time, we want to know when Google will update. For example, our website has just added many pages and how many pages will Google index next time. I just made a connection with several good websites, hoping to know if the PR will grow after Google's next update. If you want to regenerate the HTML page of a website, you should avoid Google update because Google may delete the page because of too many 404 pages ...... Next, let's take a look at our colleagues' understanding of Baidu and Google updates:

Baidu Record Update

 

The major update time is on the 11th and 26th of each month, especially on the 26th, with the largest update range and the largest number of K stations.

Small Update Time: every Wednesday. The Update time is at a.m. It is usually updated at a.m., or after a.m. For websitesTrafficThere is no impact, only at noon, Baidu on the websiteKeyAfter the word search is adjusted, the traffic changes greatly. Natural traffic increases and decreases naturally. Haha, my Webmaster can pay attention to Baidu. Update time! According to the latest observation and analysis, the Baidu Update Time is roughly one month and two times.

Google update time:

Update Time: update every seven days (RankingSmall impact );

 

Major Update Time: updated once a month (with a significant impact on rankings), PR value updated once every three months (updated on January 1, September 20, and so on), because there are differentServiceThe total Update Time is one week.

 

Google has two types of crawlers: indexing crawlers, which are specially used for indexing websites, and ranking crawlers. These crawlers are used for integrated computing and response connections, it is also important for ranking stability and position. Therefore, some new sites are not very good or very poor when they are indexed. This is because of the first crawler, but do not worry if the website is down, it takes effect when the second crawler comes in three months.

 

And GoogleGoogleResearchers discovered that Google had a dance period during the update, also known as the ghost phenomenon (check if several Google image sites are the same, because during the Google update, he always uses www2.google.com or www3.google.com as the update test site. During this period, the update progress of each service period is different, as long as all the search results are different from those of the master site, this indicates that Google is updating.

 

Tool for checking Google Dance: http://www.google-dance-tool.com

The PR value is updated once every three months.

YahooUpdate:

 

Yahoo! updates every day from to. Generally, when you search for your website and find that your website has been indexed less than the previous day, you will find that your website has been indexed more in 30 minutes. It takes about one to two months to update the system.

 

Yahoo! Record: Generally it takes about one month, but if your site architecture is good,CodeCompliant with W3C and contentOriginalIn 10 days, it will be included.