What Influences Usability

In a time when people value efficiency above all else, usability is a huge factor that decides whether people want to use a certain product or not. Usability is also an important part of user experience. Below are 5 components that influence usability.

Learnability

This is how easily a user is able to accomplish certain tasks the first time they use the product. Is the product easy to learn? 

Efficiency

Once a user understands the basic design, how quickly and easily can he or she perform a certain task or tasks?

Memorability

If the user stop using the product for a time, and pick it up again, how easy is it for them to become familiar with it again?

Intuitiveness

How obvious and easy is it to use the product? How many mistakes do users make? How serious are the errors? Are the errors fixable or how easily can it be fixed?

Satisfaction

Overall, are the users satisfied with their experience?

Sources:

http://www.visionary.com/web-design-news/5-factors-that-affect-usability.html

https://www.nngroup.com/articles/usability-101-introduction-to-usability/