The referring entity then receives a commission for clicks or purchases resulting from the referral.
In other words, they write, search engines seem to lose the cat-and-mouse game that is SEO spam.
The study suggests that Google results did improve to some extent during the course of the researchers experiment.
However, the researchers found an overall downward trend in text quality in all three search engines.
The situation will only get worse with the presence of AI-generated spam, the study warns.
source: www.techworm.net