What is Selenium ? An introduction of Automation Testing.

What is selenium?
Selenium is a open source automation tool ,open source means its free tool ,there is no license agreement , No Need to purchase license ,Which freely available  in the Market.
Selenium supports multiple language like JAVA ,C#, PHP , PYTHON,.NET etc
Selenium is used just for browser automation.
It does not Support any desktop or Windows application .
Selenium can automate only Web Application ,Web application means URL based application
Selenium Supports Multiple Browser
Browser Supported by Selenium:
  • Google Chrome 12+
  • Internet explorer 7,8,9,10.
  • Safari 5.1+
  • opera 11.5+
  • Firefox 3+
Operating System supported by Selenium:
  • Windows
  • Mac
  • Linux / Unix
Component of Selenium
Selenium have its three major Components.
  • Selenium IDE(Record and play)
  • Selenium RC
  • Selenium Web Driver
  • Selenium Grid
Selenium Standard Site- www.seleniumhq.org