Overspam term explained
Overspam rank is Numerical indicator text. Usually the term used to refer to the text content on the page, but also term use to indicate overspam keywords in anchor-list.
Often the term overspam is used in SEO as the synonym keyword density by excessive use of keywords on the page. In this case, overspam calculate as a percentage of occurrences of the keyword on the page.
Also under the overpsam SEOs understand the square root of the number of occurrences of the most frequent words in the document with all prepositions, interjections. In most cases, less than overspam of the page is better, as the page can be optimized for several keywords.