In an era where the marketplace is changing rapidly and customers tend to seek more information from multiple and deeper sources, so that customer decision-making is completely changed for the Marketing Funnel we used to use, there is a weakness in the theory that is applicable especially in cases where customer behavior is simple and unchanged, but in an era where customers are more and more informed, so that customer decision-making is completely changed, but the Consumer Experience has made a study and developed a more advanced approach to consumer decision-making than the original Search Engine Optimization