Homonym: responsiveness (Reactivity)
Responsiveness refers to the ability to react quickly and effectively to changes or requests. In various contexts, such as customer service or technology, it indicates how promptly and efficiently an individual or system addresses inquiries or issues. High responsiveness often leads to improved satisfaction and better outcomes.
In the realm of web design, responsiveness describes how a website adapts to different screen sizes and devices. A responsive design ensures that users have a seamless experience whether they are using a smartphone, tablet, or desktop computer. This adaptability is crucial for maintaining user engagement and accessibility.