What is Selenium?

Selenium is nothing but a tool or framework which helps to automate web browser applications (Websites).The biggest advantage of the Selenium is it allows any one to write automation code in language of their own choice.

Selenium supports Java,Php,Ruby,C# etc., The Tests can be run against browsers like Chrome,Firefox and IE using specific drivers for the browsers.

Nowdays it has become one of the widely used automation tools for web applications when compared with others.