User Experience is a term which occures more recently nowadays when it comes to website development. For many, the definition UX tends to sound unfamiliar, but it has been around for more the 15 years. Meanwhile, it is generally everywhere, for example when you see a well-looking ad or poster. Let's examine thoroughly the reasons to set them apart and how it differs from web design or web development.
UX design is responsible for the creation of elevated experience (wow! factor) for possible customers, while UI is the tool for shaping the interface put directly in front of users. During the development of a modern, up-to-date website or product, both are essential and indispensable pieces for representing high quality service.