Quality is delighting customers
Cross browser testing is really an important part in testing website. This is the field where testers need to concentrate more. I've shared my views and experience on CBT, hope it will answer your doubts.
Thanku, the links you have provided are helpful
For web application cross browser testing plays an important role. Most of the web application works on Firefox, Chrome and Opera browsers but when we test on IE the UI will interrupt on the web application. Both UI and functionality of the application is to be test.