how to identify black hat, grey hat, white hat SEO?
 

Are you aware of difference between black hat, grey hat, white hat SEO?

You can use only whiye hat seo technique, and avoid to black hat seo technique because it is totaly spamming.

To get good result use only white hat seo technique, black hat technique is not so perfect to use it will cause your site to penalty, fall down in ranking..because black hat technique use shortcut methods, duplicate content.

If you promote any website with wrong method that is known black hat seo and if promote with google algo that is white hat and green hat.