I have Selenium Grid server and now have to build test infrastructure for automated website testing. Is there any any reason for me to test website on, for example, Firefox for Linux and Firefox for Windows?
The following link may help you How much of an effect can different operating systems have on displaying web pages? . There can be different scenarios to where it can behave different across a different operating system. But mainly depends on what type of client side components you are using. Hope the link helps!