As technology advances faster than ever, software development needs aren't focused on a single platform anymore. Today, each software is developed with the aim to run cross-platform. This is where the need for compatibility testing comes into play.
For the vast majority of software types, you have to test your website’s/application’s compatibility to run on a wide range of devices. How do you do that? How can you make sure that your users can move seamlessly across devices without their experience being hampered in any way?