White Hat Vs Black Hat

As with any other business practice, Search Engine Optimization can be performed within or without the boundaries of accepted business ethics. White hat SEO is optimization that follows the guidelines set forth by search engines. Black hat SEO intentionally undermines these guidelines.

For those who haven’t heard, for the past year or two some have labeled different forms of search engine optimization by different hat colors. Those who practice what some refer to as “ethical” SEO are the White Hats (like the good guys in the movies), and those who some refer to as “spammers” are the Black Hats (like the bad guys in the movies). Those who are not quite as pure as the driven snow but who aren’t quite as… umm… aggressive as a full-fledged “search engine spammer” are sometimes referred to as Gray Hats.

There are various new shades added to the list:

Dark Inky Black Hat SEO: So evil hes a typo squatter installing spyware. Plain illegal, too.
Charcoal Hat SEO: Optimizes really unrelated pages for all kinds of queries, but within the bounds of legality.
Dark Gray Hat SEO: This SEO is e.g. a...