On November 18, it was reported by the Wall Street Journal that they had conducted an investigation before, including more than 100 interviews and their own tests. The Wall Street Journal believed that they had found several signs of Google manipulating search results.

The newspaper found that large enterprises are more popular in Google search than small enterprises. The Wall Street Journal said that Google uses algorithms and blacklists to prevent some controversial topics from appearing in search results when users complete their searches.

A former Google employee told the Wall Street Journal: "There is a view that the search algorithm is neutral, it will comb the network, and then come back to show what it found, which is totally nonsense. Google has been dealing with special situations."

Another senior executive in charge of Google's search business who did not want to be named said that an internal survey in 2016 found that there was some false information or low-quality results in 0.10% to 0.25% of the search results. This means that there are about 2 billion such search results every year, and the information contained in them is simply not credible. In Europe, the EU found that Google promoted its products by changing its search results. The company claims that this is to give consumers more choices, rather than hurt competitors.

Google's advertising revenue last year was $116.3 billion. Companies that put a lot of ads on Google's core websites and applications will get suggestions from Google to optimize search results.

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