What is Usability? - Deepstash

What is Usability?

Usability is “the extent to which a product helps users achieve goals in a specific use case with effectiveness, efficiency and satisfaction.”

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ayesha.dar

Product Designer

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Usability

Usability

Oftentimes, usability is mistaken with user experience, but in reality, it is just a part of it. 

Usability, on its own, is also not only ease of use, but rather a sum of multiple aspects: 

  • effectiveness - the ability to complete a task
  • efficiency - effectiveness + speed

Attitudinal Metrics

  1. Net Promoter Score (NPS) - On a scale of 0-10how willing they are to promote you to their network
  2. System Usability Scale (SUS)- one of the most popular questionnaires used to assess the usability of a product. It consists of 10 state...

alt-text Is Not a Duplicate Title

The alt attribute is quite useful. It helps screen reader users understand what is shown in the picture. Unfortunately, many developers don’t use it efficiently. They either duplicate the text around the picture or don’t add it at all.

But we can use alt differently. For example, use the ti...

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