|Meaning ||Techniques used to get higher search rankings in an unethical manner.
||Conforms to search engine designs and involves no deception.
|Status ||Disapproved by search engines.
||Approved by search engines.
|Result ||Site is eventually banned, de-indexed or penalized through lower rankings.
||Results last a long time.
|Techniques ||Black hat SEO techniques include keyword stuffing, doorway and cloaked pages, link farming, hidden texts and links, blog comment spam.
||White hat SEO techniques include research, analysis, re- write meta tags to be more relevant, content improvement and web redesign.