Selenium is an open-source and free automated testing framework for web-based applications, and has been constantly updated since its inception in 2004 with some tools not in operation today and with some new ones being added to the suite. There are quite a few tools within the Selenium framework that is used to meet varying needs. And the tools within the Selenium suite are:
- Selenium RC (which has now been terminated)
- Selenium WebDriver
- Selenium Grid
- And Selenium IDE (stands for Integrated Development Environment).
A selenium testing developer uses all these tools keeping in mind the business requirements to accomplish the automated testing task. Go through the Selenium tutorial for clarity in your basics. And enroll in Selenium certification from Intellipaat. Do take a look at the following video on What is Selenium? To get a better idea.