Anti-SEO (Black SEO, SEO Hack) Experiment And Protection Method

SEO, known as search engine optimization, is succeed by digital marketing experts on the purpose of increasing visibility after long-term works and making a grate effort. Many expensive services and tools are used for these works. But, what can be done in case of Anti-SEO when your website is targeted by competitors or malicious people? There are many methods for anti-SEO.