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Writing automated tests is a necessity for any agile application development team. It is essential for quickly finding bugs during the early phases of application development cycles. When a new feature is still in development, testers can perform automated tests to examine how the changes affect other sections of the application.

Test automation through Selenium makes it possible and ensures the best quality application releases. Saying that, you might be curious to know what is Selenium. Essentially, Selenium is a popular framework for automated testing. It allows testers to write test scripts in various programming languages like C#, Python, Ruby, and JavaScript and run them on different browsers like Chrome, Firefox, Safari,  and operating systems, including Windows, macOS, and Linux.

Writing automated tests may appear simple for developers, but poorly written tests can lead to maintenance issues. Updating multiple tests for a single webpage change is time-consuming and can discourage developers from implementing tests early in the development process. For example, if there is a change in a locator, testers will have to go through the entire code to make the necessary changes. Consequently, the Page Object Model and Parameterization come to the rescue to simplify the process, making it easy to maintain and use.

In this article, we will understand more about the Page Object Model and Parameterization in Selenium. While discussing that, we will also learn how they help in Selenium testing to optimize test scripts in real-world scenarios. Let first start with what Selenium is