How to detect and deflect negative SEO.

Negative SEO is one of the most common forms of black hat SEO. Instead of trying to get site's search ranking improved, the negative SEO tries and demotes competing site. This is done by creating hundreds or even thousands of spammy backlinks, adding fake reviews, sending fake link removal requests and in some cases by hacking websites. It is important to identify and remove the effects of negative SEO which can cause a significant decrease in ranking and organic visits.
Read more: https://ahrefs.com/blog/negative-seo/
Read more: https://ahrefs.com/blog/negative-seo/