Browser compatibility testing (BCT) is defined by me, as evidenced by the implementation of client side technologies through testing accuracy of the elements involved in the successful delivery of business critical functionality for users & test if the functionality of business critical distributed the same way across multiple browser OS combinations. The test team must make definite is that you require to compare the behavior of the application against the combination of operating technique most popular browser & make definite that the matrix of specific OS-browser combinations provide the same behavior. The implementation of client side technologies is ruled by the effects of web application for the user, business domain, the level of security necessary, & the delivery mechanism, such as PC or mobile tool to online page. The platform expertise from Microsoft or Sun Java for example, also plays a critical role in the BCT, as explained briefly below.
