The user experience is how a user perceives or responds to using a product or service. At a high level, an excellent user experience is one that is:
Clearly articulates the value proposition and the purpose of the product for the target audience, taking into account factors like right set of features, cost of ownership, context of use and ethnography.
Users can achieve their tasks with ease and efficiency, with the least amount of effort, without experiencing any frustration, wondering where something is located, or struggle to figure out how to do something.
Work as expected, every time, without glitches. It lets the user achieve their goal without hitting any roadblocks.
Elicits a positive response. Delight could be achieved by adding things that may not be required, but when added bring value.
This is a fairly vast topic and the above parameters just touch it at a very high level. Here are bunch of posts for further reading to delve down deeper:
- User Experience Design, Peter Morville
- Ten principles of good design, Dieter Rams
- Quality of Experience, Lauralee Alben
- The Meaning of User Experience, Tuomas Nurminen
- Definition of user experience, Niko Nyman
Updated 1st Nov