UI Testing (User Interface Testing)

UI Testing is a type of software testing that focuses on verifying the visual elements and interactive behavior of a user interface. Its purpose is to ensure that the graphical components—such as buttons, text fields, icons, and menus—are displayed correctly and function as expected. UI testing is critical for confirming that the application looks good, is easy to navigate, and provides a smooth, intuitive experience for the user.

Example: A quality assurance team is testing a new website with a login page. They would perform UI testing to verify several key elements. They would check that the username and password fields are aligned correctly, and that clicking the "Sign In" button successfully submits the form. They'd also ensure the login page's layout and elements resize correctly when viewed on both a desktop browser and a mobile phone. This thorough process ensures that the login screen is not only functional but also visually appealing and easy to use.