The performance of any application is vital for its success in the market. A user judges the quality of an application from its performance, whether it is the responsiveness, refreshing of frames (framerate), or memory usage (though indirectly perceived) of the app. All are important entities while determining any app's performance. Performance is one of the major factors for the application to compete with other apps of the same genres, and therefore, It needs to be critically tested and maximized.
There are numerous reasons for any app to exhibit a poor performance, some of which are summarized as follows: