Before detecting the visual breakpoints in a responsive web application, ensure that Mozilla Firefox 56 or later or Google Chrome 60 or later is installed on the machine on which Silk Test Workbench is running.
Many web applications that are implemented with responsive web design techniques change their layout in response to the size of the browser or device in which they are displayed. The specific resolutions on which the layout changes are called visual breakpoints.
Silk Test Workbench supports testing such applications by detecting the visual breakpoints, and by allowing you to resize the recording window to the specific size of such a visual breakpoint.
To find the visual breakpoints in a web application, and to display the corresponding resolutions in the Browser size list, perform the following actions: