What Is The meaning Optimal Keyword Density?

[RH-Calvin]

Keyword density is the percentage of times a keyword or phrase appears on a web page compared to the total number of words on the page. In the context of search engine optimization keyword density can be used as a factor in determining whether a web page is relevant to a specified keyword or keyword phrase. The optimal density should be in between 2 to 3 percent to get the maximum benefit in search engines.