Web 2.0 Glossary (K)

keyword / key phrase - The word or phrase that a user enters into a search engine.
keyword cannibalization - The excessive reuse of the same keyword on too many web pages within the same site. This practice makes it difficult for the users and the search engines to determine which page is most relevant for the keyword.
keyword density - The percentage of words on a web page which are a particular keyword. If this value is unnaturally high the page may be penalized.
keyword research - The hard work of determining which keywords are appropriate for targeting.
keyword spam (keyword stuffing) - Inappropriately high keyword density.
keyword stuffing (keyword spam) - Inappropriately high keyword density.