Searchenginegenie.com

There are three types of search engine optimization one can perform on their site. You do not always need to do all three, but you do also do not need to limit yourself to just one type. However, the different types can hinder one another so it is important that you pick a main type to focus on the most.

The three types of search engine optimization are:

* Homepage optimization
* Category page optimization
* Content/product page optimization

The steps you must take to optimize a homepage are different from the steps you must take to optimize a content or product page. Additionally the goal of someone optimizing a content or product page is usually different from the goal of someone optimizing a homepage. Your site's topic and the competition may influence your decision to focus on one type of optimization or another.

There are lot more than what you are describing as SEO process please read through our site to find more information

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The three types of the SEO are:
1) White hat SEO.
2) Black hat SEO.
3) Organic SEO.

Yes There are three types of SEO White Hat, Black Hat and Gray Hat SEO. But Black Hat SEO does not follow the rules and regulation. It use illegal way to get high page rank in search Engine. It use spam to get high rank quickly.