What to avoid in SEO

In recent years a number of illicit techniques have grown up to artificially manipulate a
web site’s ranking. These techniques are referred to as spamming or sometimes “Black
hat” techniques. The “black hat” description refers to the fact that in the old western
movies the bad guys always wore black hats. The core of any spamming technique is the
attempt to deceive the search engine, and ultimately the site visitor, about the true nature
of a web site’s content.
The question is whether spamming techniques actually deliver any long term benefit. In
addition, it is known that using proscribed spamming techniques can get the spammer,
their client sites and organisations delisted by the major search engines. It has happened
publicly in the past and the search engines particularly Google place great emphasis on
their warnings. Google even has a page for reporting spamming offenders.
I have identified a list of nine types of illicit SEO or spamming techniques.
 Keyword Stuffing
 Cloaking
 Doorway Sites
 Throwaway sites
 Mirror Sites
 Hidden Text
 Tiny Text
 Link Spamming
 Comment Spam