The user experience is to improve ease of use based on the user’s own experiences. It is often abbreviated as UX. Users can use products “”fun”” and “”comfortable”” by designing and designing what kind of products they are looking for, products that are easy for users to use, etc. from the development stage while repeatedly evaluating and verifying It is the idea to provide the value as a value. It is a concept that existed in the world of marketing for a long time, but even in the world of WEB marketing, users who visit the site “”doing good experiences”” “”can improve the repeat rate of the service, It is expected that an effect such as purchase promotion will be promoted, attention has gathered recently.