Selenium is an open-source software testing framework used for automating web browsers. It provides a set of tools and libraries that allow testers and developers to write automated tests for web applications. Selenium is widely used for functional testing, regression testing, and cross-browser testing of web applications.<br><br>Taking a Selenium testing course can provide several benefits to your career, especially if you are interested in software testing, quality assurance, or web development. Selenium is a widely used open-source testing framework that allows automated testing of web applications.