In summary, the present invention relates to a method for analyzing and/or testing at least one user interface, comprising the steps of: transmitting an address of at least one user interface, in particular a web-based user interface, and/or a source code together with the associated graphical elements of at least one user interface, in particular a web-based user interface, to an evaluation apparatus (10); transmitting the address of the at least one user interface and/or the source code together with the associated graphical elements of the at least one user interface to at least two differently configured presentation apparatuses (12, 14); generating at least one pixel image of the user interface on each presentation apparatus (12, 14); transmitting each generated pixel image to the evaluation apparatus (10); automatically determining and/or representing at least one difference between the generated pixel images of the at least one user interface.