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Concept
Web usability
Summary
Web usability of a website are broad goals of usability, presentation of information, choices made in a clear and concise way, a lack of ambiguity and the placement of important items in appropriate areas as well as ensuring that the content works on various devices and browsers.
Web usability includes a small learning curve, easy content exploration, findability, task efficiency, user satisfaction, and automation. These new components of usability are due to the evolution of the Web and personal devices. Examples: automation: auto fill, databases, personal account; efficiency: voice commands (Siri, Alexa, and other artificial intelligence assistants); findability. The number of websites has surpassed 1.5 billion thus increasing the need for well-designed websites that serve their users as best as possible in the constantly more competitive market. With good usability, users can find what they are looking for quickly. With the wide spread of mobile devices and wireless internet access, companies are now able to reach a global market with users of all nationalities at any time and almost any place in the world. It is important for websites to be usable regardless of users' language and culture. Most users in developed countries conduct their personal business online: banking, studying, errands, etc., which has enabled people with disabilities to be independent. Websites also need to be accessible for those users.
The goal of web usability is to provide user experience satisfaction by minimizing the time it takes to the user to learn new functionality and page navigation system, allowing the user to accomplish a task efficiently without major roadblocks, providing the user easy ways to overcome roadblocks, and fixing errors and re-adapting to the website or application system and functionality with minimum effort.
According to ISO 9241 (Ergonomic Requirements for Office Work with Visual Display Terminals), usability is "the extent to which a product can be used by specified users to achieve specified goals with effectiveness, efficiency and satisfaction in a specified context of use".
Official source
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