Different people will see different search results

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I believe that many webmasters, especially those who do English site have this experience: you in your office or home to see their optimized ranking of the site ranked first, but to tell customers, customers can not see the same effect. Search is exactly the same keyword, with the same search engine, but different people see the search engine rankings are not the same.

This is a very common phenomenon, gallon Wang noticed that "SEO training," the keyword in the Google rankings he saw is not the same as I see.

There are several reasons for this phenomenon.

Different data centers

Because of the large number of search engines, general search results are provided by a number of data centers, using load balancing technology to transfer users to different data centers.

The data between these different data centers may not be synchronized for a variety of reasons, so when different people search for the same keyword in the same search engine, it is possible to use a different data center, because the data content is different and see different results.

Even the same person. After a few seconds of refreshing the browser, it is possible to use a different data center.

User IP address and geographic location

The so-called geotargeting.

The search engine detects the user's IP address and determines the location of the user, and then returns the search results that are more appropriate for the location.

For example, if the user is from China, then he will see the results and users from the United States is likely to be different, the line in front of the site may be more focused on China-related content, this is a very common phenomenon.

The same search engine for different country domains

Most search engines except for the. com version, there are different versions of the country, such as google.com,google.cn,google.com.sg,google.co.uk, the different versions of these countries will give the results are not the same.

In google.co.uk Search, the results will be biased towards the UK-related sites. Doing a search in google.com.sg will also be biased towards the Singapore-related sites.

Here the "relevant" refers to the content, server location, site domain name.

Personalized Search

Many search engines such as Google, provide users with a personalized settings. If the personalized search is turned on, Google adjusts the search results according to the user's previous search record.

Site rankings and the previous search you do, the site will have a certain relationship between the user's taste to adjust.

There are also reports that personalized search is not turned on, and Google sometimes makes adjustments to different user searches based on previous search records.

Computer settings

For example, the operating system language, and the support of geographical position has similar effect.