CIW Professional Practice Exam 2025 – Complete Study Resource

Testing and debugging play a crucial role in web development primarily because they significantly enhance the functionality, performance, and user security of a website. When developers test their web applications, they identify and fix bugs and issues that could impede the user experience or lead to security vulnerabilities. By thoroughly ensuring that the site operates as intended under various conditions and user interactions, developers can improve performance metrics such as load time and responsiveness, leading to a more efficient and enjoyable user experience.

Furthermore, security is a top concern in web development; testing allows developers to uncover potential vulnerabilities before the site goes live. This proactive approach helps prevent malicious attacks and data breaches, thereby safeguarding both the website and its users. Ultimately, the iterative process of testing and debugging drives improvements, ensuring that the website not only meets functionality expectations but also adheres to high standards of performance and security.