Selenium WebDriver is mainly used for which type of testing?

Selenium WebDriver is mainly used for functional testing of web applications. It enables testers to automate interactions with web elements, simulate user actions, and validate the functionality of web applications across different browsers. While Selenium is versatile and supports various testing aspects, its primary application is functional testing, where testers verify that the software behaves as expected and meets the specified requirements. Understanding the primary use case of Selenium WebDriver is essential for choosing the right tool for testing scenarios.