Negative SEO (search engine optimization) has emerged recently as a malicious technique employed by businesses that seeks to harm the Google search rankings of a competitor's website. The principal method employed by practitioners of negative SEO is to purchase hypertext links from poor quality w
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We only tested one website, but the short period of time and the correlation between the dates we got the links and the dates the website moved lower in search results seems pretty clear to us that negative SEO is very real. 
