[2] Web usability includes a small learning curve, easy content exploration, findability, task efficiency, user satisfaction, and automation.
Examples: automation: auto fill, databases, personal account; efficiency: voice commands (Siri, Alexa, and other artificial intelligence assistants); findability.
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.
Most users in developed countries conduct their personal business online: banking, studying, errands, etc., which has enabled people with disabilities to be independent.
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".
[6] Web usability improvements may include providing a strong contrast mode for people with color vision deficiency.
They found that mobile users value short load times, big buttons and readable text, and simple input boxes.
It provides expert reviewers with a set of principles to discover usability problems and then categorize and rate them in a quick way.
[18] Owing to the familiarity and frequency of internet use, users have evolved from reading websites thoroughly to scanning them quickly, often in pursuit of specific information.