Formulating a Website Design Strategy by Richard Igoe Fred R. David, a business strategy author, defines strategy as "the art and science of formulating, implementing, and evaluating cross functional decisions that enable an organisation to achieve its objective", Strategic Management, Prentice-Hall (1985).My definition of Website design strategy is "the process by which to optimise your website to take advantage of the opportunities in the external environment, whilst addressing the threats that are likely to impact on it".