Software testing is an activity to check whether the actual results match the expected results and to ensure that the software system is Defect free. It involves execution of a software component or system component to evaluate one or more properties of interest.
Software testing also helps to identify errors, gaps or missing requirements in contrary to the actual requirements. It can be either done manually or using automated tools.
Selenium is a freely available testing tool available in market to test web based applications to measure the performance. The main feature of the Selenium tool is the testing capability across different browsers and operating systems. The major four components of Selenium is Selenium IDE, Selenium RC, WebDriver and Selenium Grid.
What makes Selenium performs better than any other testing tool in the market, let’s have a look at the reasons behind and history.