Looking for a plugin that allows you to work with multiple focus keywords instead of one or two? Focus Keywords Pro is a plugin that shows the number of times the focus keywords of your choice have appeared in the post. When you enter the comma separated focus keywords in the Focus Keywords Pro box that appears below the post editor, save the draft, enter or type content and click on the Save Draft or Update button of the post editor, Focus Keywords Pro will calculate the density of the keywords will display the same within a few seconds.