What is Black Hat SEO?

Black hat SEO refers to a set of practices that are used to increases a site or page’s rank in search engines through means that violate the search engines’ terms of service. Implementing Black Hat SEO tactics and strategies can get your site banned from search engines. Black Hat SEO is most commonly defined as a disapproved practice that nevertheless could increase a page’s ranking in a search engine result page. These practices are against the search engine’s terms of service and can result in the site being banned from the search engine and affiliate sites.
Content Automation, Doorway Pages, Hidden Text or Links, Keyword Stuffing, Reporting a Competitor, Sneaky Redirects , Cloaking, Link Schemes, Guest Posting Networks, Link Manipulation, Article Spinning, Link Farms, Link Wheels or Link Networks, Rich Snippet Markup Spam, Automated Queries to Google, Creating pages, subdomains, or domains with duplicate content, Pages with malicious behavior are comes under black hat SEO.