One component of search engine optimization is working with keyword density. You have to write articles that have keyword density of 3-5% in order for the search engines to pick it up.
But what does keyword density mean?
In normal context, density refers to the amount of matter per volume. Keyword density in search engine optimization refers to how often a keyword or keyword phrase appears in the article or blog. The volume here refers to the number of words and this includes the html code. As a guideline, you can add in an additional 30% of words that is due to code. By dividing the number of times the keyword appears with the total number of words and you get the keyword density
Hence to determine the keyword density, first you have to copy the article with its html code and paste it on a Microsoft word. Then activate the word count function within (You can simply highlight the entire passage and look on the bottom left for the number of words.
After which you have to count the number of times the keyword or keyword phrase appears by using he CTRL F and scroll through the number of times that the keyword appears.
Divide the number of times the keyword appears by the total number of words and what you have is the keyword density. You should have 3-5 articles aiming for the same keyword with various density as the algorthem of the various search engines are different and you have a better chances of making it to listing in each of the engines by having articles with different keyword density