White hat SEO:   

White Hat SEO refers to the usage of SEO strategies, techniques and tactics.

Black Hat SEO:     

Black Hat SEO is customarily defined as techniques that are used to get higher search rankings in an unethical manner.

Meaning of SEO types you have shared looks informative, but not in brief. White hat techniques to be considered as good technique to gain trustful ranking in search engines.

Meaning of SEO types you have shared looks informative, but not in brief. White hat techniques to be considered as good technique to gain trustful ranking in search engines.

White hat SEO is ethical SEO. It's SEO techniques that search engines accept. White hat SEO techniques are beneficial for site visitors as well as for search engines. and Black hat SEO is the use of techniques that are unacceptable to search engines to boost a page's position in search results.