1. White Hat SEO

A White hat SEO techniques is one that complies with the terms and conditions of the Search engine.

2. Black-Hat SEO

Search engine optimization practiced against search engine guidelines to boost a site's ranking in search results.

3. Grey hat SEO

A Grey Hat SEO practice combines white hat and black hat SEO. Grey hat SEO exploits search engine guidlines to improve a page's ranking on search engine.

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