CKWD001: OnPageCleanKeywordDensity

Number of Keyword Density in web page HTML source

Correlates the number of Keyword Density in the web page HTML source as a factor.

This factor correlates the amount of clean keyword density (in the HTML source) with rankings.

Clean keyword density is calculated by first removing head, scripts, CSS, comments, and HTML

You can learn more about the targeted zone for this factor at: https://www.w3schools.com/tags/tag_html.asp.