Black Hat vs White Hat SEO.

[black9]

Dear friends,
Will you explain the difference between Black Hat and White Hat SEO.
Which one is more effective to get high rankings?
Thanks in advance.

[Amy.Sarin]

White Hat SEO : It includes all the legitimate techniques for optimizing a website.

Black Hat SEO : It includes all the illegitimate techniques of improving your website rankings by fooling the search engines.

This wikipedia page will have answers of all your questions about white hat and black hat SEO
http://en.wikipedia.org/wiki/White_or_black_hat

As far as fast ranking is concerned, black hat helps in getting high rankings fast.... but it may lead to banning your website. So, better stay away from it.