White hat Search Engine Optimizer - Definition
A so called “white hat SEO” is a person that employs his search engine optimization techniques in strict conformity with the guidelines of the Search Engines he is optimizing for. A white hat SEO would never use any sneaky tricks or irregular methods to achieve a better ranking in the SERPS (Search Engine Result Pages).
Why the name “white hat” in this seo context
The color “white” stands for cleanliness and innocence all over the world and represents the ethically flawless attitude of a white hat seo in this case. The “hat” is just an additional attribute that helps visualizing the appraising categorization.
How does a white hat SEO look like?
Do white hat SEOs really wear white hats? In fact, white hat search engine optimizers do not wear white hats, the title “white hat” is just metaphorical speech, but if they did, the white hat might look like this 
[…] High Quality and ethical white hat SEO keyphrase add ons such as “reputable”,”professional”,”natural” are highly competitive, as well as one black hat SEO keyphrase add on only: “cloaker”. Another thing I found significant was the enormous SEO competition in Chicago, ranked #2 and #24 in this test’s search results as opposed to the second most competitive region which is Florida, ranked #19 and the third most competitive region Dallas ranked #43. […]
[…] Link baiting is a favored white hat seo technique for building up inbound links to a webpage with the purpose of increasing link popularity and therefore, at the same time, increasing the ranking on the Search Engines Result Pages (SERPS). The name “link bait” refers to the fact that this technique consists of placing a lure - in terms of attractive content - on a webpage, which tempts other webpage owners to link to it voluntarily and - in most cases - without demanding anything in return, such as a reciprocal link. […]