A large search engine has seriously temporarily interfered with rankings, and it has been confirmed that it is due to commercial interests.
At 9 o'clock in the evening the day before yesterday, the website operated by our firm ranked 4th in the search results of the search engine for the keyword ** (not discussed for now);
At 9 o'clock in the morning the day before yesterday, the ranking reached the second place on the second page. At 9 o'clock in the evening the day before yesterday, the ranking returned to the fourth place on the first page;
At 9 o'clock yesterday morning, the ranking returned to the second place on the second page. At 9 o'clock yesterday evening, the ranking was still fixed at the second place on the second page;
At 9 o'clock this morning, the ranking was still fixed at No. 2 on the second page;
There are various indications that this site should actually be ranked 4th in the natural search rankings of this large search engine. However, considering commercial interests, temporary interference is adopted because the search volume of this term is not large, but the competition is fierce, especially for participation. Most companies use bidding rankings. It seems that this search engine still considers commercial interests more than user experience! (There is no need to mention this search engine. I guess everyone knows that I run a small website called 88spring.com. Please give me some advice from experts!)
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Thanks to luosi for his contribution