4. Compability testing

Compability of your web site is very important testing aspect. See which compability test to be executed:

• Browser compability
• Operating system compability 
• Mobile browsing 
• Printing options

 Browser compability:

Some applications are very dependent on browsers. Different browsers have diferent configurations and settings that your web page should be compatible with. Your web site coding should be cross browser platform compatible. If you are using java scripts or AJAX calls for UI functionality, performing security checks or validations then give more stress on browser compability testing of your web application. Test web application on different browsers like Internet explorer, Firefox, Netscape navigator, AOL, Safari, Opera browsers with different versions.

OS Compability:

Some functionality in your web application is may not be compatible with all operating systems. All new technologies used in web development like graphics designs, interface calls different API`s may not be available in all Operating Systems. Test your web application on different operating systems like Windows, Unix, MAC, Linux, Solaris with different OS flavours.

Mobile browsing: 

This is new technology age. So in future Mobile borowsing will rock. Test your web pages on mobile browsers. Compability issues may be there on mobile.