What is BLACK HAT SEO? Black hat SEO refers to a set of practices that are used to increases a site or pages rank in search engines through means that violate the search engines terms of service. The term “black hat” or “black seo” or “black hat seo” originated in Western movies to distinguish the “bad guys” from the “good guys,” who wore white hats. Recently it is used more commonly to describe computer hackers, virus creators, and those who perform unethical actions with computers. Black hat seo is not allowed and if you will use it your website or blog can receive big penalties in all search engines such as google, bing or yahoo. Black hat seo is bad and it is not worth it. Dont use it and dont try it.