► a. The number of times the keyword is used / (DIVIDED BY) the total word count on page - (MINUS) the total words in HTML on the page ► b. Combination of the number of times a keyword or a keyword phrase, in proportion with other words, appears on a Web page ► c. The number of times the keyword is used in the page description ► d. The number of times the keyword is used in the page title ► e. The number of times the keyword is used / (DIVIDED BY) the total word count on the pageb. Combination of the number of times a keyword or a keyword phrase, in proportion with other words, appears on a Web page