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Introduction to Selenium Automation Testing and What Is Selenium?
learn how to use the Selenium Automation Tool and become a Software Development Engineer in Test (SDET).

Selenium is a free, open-source software testing tool that is used to test web applications across many platforms and browsers. A single interface is used throughout the Selenium Automation Testing process, which enables users to create test scripts in a variety of computer languages, including Java, Python, C#, Ruby, Perl, PHP, and NodeJS. It cannot be used to test desktop or mobile applications; it can only be used to test online applications.