Glossary
Keyword –
This is a word found within a search query. For example, searching for "blue widgets" includes the keywords blue and widgets.
Keyword Density -
This is the ratio of the keyword frequency as compared to the total words found on a page. Online tools can be used to compare keyword densities for multiple pages. With this knowledge, one can build up a page with a similar density as other high ranking pages.
Keyword Domain Name -
A technique that is seen as spam to some, such a domain usually has all target keywords embedded in the domain name, and usually separated by hyphens. An example would be www.buy-blue-red-green-cheap-widgets.com.
Keyword Phrase –
Just like keyword, this is simply a multi-word keyword.
Keyword Stuffing / Spamming –
The process of repeating keywords or key phrases in meta tags and body text. This can result in keyword densities over 50%, and is seen as spam by most search engines.

