Selenium is defined as a portable software testing framework for web applications. It is an open-source application. Testings are done by using a selenium tool in selenium which is referred to as Selenium testing and it is an Application Program Interface for Web Browser. Selenium consists of different sets of software tools with different approaches to support test automation. Join Selenium Online Training at Skillsion to learn the skills easily. Selenium is used in organizations for the automation process. It is used in the applications of GUI for the functionality process. Get into Selenium Testing online to enhance your knowledge.