Over the years, a number of illicit techniques have been developed and used by spammers to artificially manipulate and increase a website’s ranking in the search engines. These spamming techniques are commonly referred to as “Black Hat” techniques or strategies.

With search engine’s algorithm improves over time, many of the spamming techniques were uncovered and websites that deployed such illicit techniques were delisted by the major search engines.

The list below shown some of the identified types of “Black Hat” SEO techniques used by spammers.

• Keyword Stuffing
• Cloaking
• Doorway Sites
• Throwaway sites
• Mirror Sites
• Hidden Text
• Tiny Text
• Link Spamming
• Comment Spam

As a reminder, do not deploy any of the illicit techniques that will risk your website being delist and ban by major search engines.