SEOs wear many hats. They could wear Black hats, which means they will use underhanded tactics such as cloaking or doorway pages to trick search engine agents and achieve high rankings in a short period of time. White Hat SEOs are the good old ethical search engine optimization experts who focus on ethical tactics such as title optimization and link building to achieve the highest ranking possible for themselves and their clients. But while it is fairly easy to figure out if a tactic is Black Hat or White Hat SEO, Gray Hat SEO tactics are the ones that one should worry about. Gray Hat search engine gurus claim that they use border line tactics to achieve the best SERP rankings possible in the shortest period of time. In my opinion there are three types of Gray Hat SEO tactics:

1. Light-Gray
2. Heavy-Gray
3. Gray-Gray

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