usability-qualities in web design

What is Usability?

The extent to which a product can be used by specified users to achieve specific goals with effectiveness, efficiency and satisfaction in a specified context of use – ISO 9241-11 Guidance on Usability. For example, an eCommerce website should let you purchase items easily.

Usability Qualities

  •  Learnability: A measure of how quickly a user can learn to utilise the system.

    For example, instructions, etc.

  • Effectiveness: A measure of how well the design enables its users to accomplish what they are supposed to do on the website without any issues. It enables users to do what they want to do.

    For example, browsing and purchasing books, making a phone call, uploading and sharing images, etc.

  • Efficiency: A measure of how much time and effort it takes to complete the task using the design.

    For example, on Amazon, there are 1-click payments, Single Sign-on, etc.

  • Memorability: A measure of how memorable a design is, that even after a long period of time the users are still able to complete the tasks/ goals effectively using the design without any problems.

    For example, opening the door, using an ATM, etc.

  • Errors: A measure of how the design prevents users from making errors as well as enabling users to recover from errors if they have committed one.

    For example, typos, wrong ID number and passwords, etc.

  • Satisfaction: A qualitative measure of how the design appeals to the users in terms of ease of use and overall appeal that ensures that users would come back again.


In conclusion, these are what the Usability Qualities are about and how it is used to measure a user’s experience in a website. We hope this article benefits you. Stay tuned to our next blog post where we will be sharing with you on more tips regarding the various topics. Also, you can check out our previous blog post where we have touched topics about coding.