What is keyword density?
The number of times the keyword is utilized/ (separated by) the total word count on page-- (minus) the complete words in HTML on the page.
The variety of times the keyword is used x (multiply by) the total word count on web page.
The number of times the keyword is utilized in the page description.
The number of times the search phrase is used in the web page title.
The number of times the keyword is used/ the total word count on the web page.