Search Engine Optimization

[BashrO]

The difference is that google didn't define the white hat SEO actions as black hat

black hat seo are actions that defines by search engines as wrong.

[brandsmith]

There is too much difference between black hat and white hat SEO techniques.

Black Hat SEO: It is totally illegal and illegitimate work and it is consists with illegal strategy like hidden content, clocking, Keywords stuffing, too much keywords density and much more. Today if you want to get good ranking on major search in majority of your keywords then you must avoid it and do quality work according to Google Algorithms rules.

White Hat SEO: If your looking for appear your website in top ten natural listing then white hat SEO is best and cheap for you because it is consists with legal work strategy such directory, bookmark, article, classified ads, Press Release, Forum posting, Blog creation, commenting and much more things. Today if your running in white hat SEO then you need quality and legitimate work get top ranking.
 

[seomark5]

Black hat seo is a use of techniques to fool google's algorithms Where as white hat seo abides by google's rules of seo.  Black hat techniques can be better than white hat but you better know what your doing.