Which characteristic is essential for effective web design?

Visual appeal and interactivity are crucial elements in effective web design as they significantly enhance user engagement and experience. A well-designed website not only captures attention through its aesthetic elements but also allows for interaction, making it easier for users to navigate and find the information they need. This interactivity can include features like buttons, forms, and multimedia content that encourage users to engage with the site rather than passively consume information.

Effective web design balances visual elements with functionality, ensuring that users can easily understand how to use the site while enjoying an appealing layout. This approach also contributes to better user retention and can lead to higher conversion rates, whether the goal is to inform, sell, or provide services. Therefore, focusing on creating visually appealing and interactive experiences is essential for a successful website.