This invention provides methods, computer program products, and systems to guide a user in optimizing the Simultaneous Switching Noise (SSN) of an electronic device by using visual approaches on a graphical user interface (GUI). Also provided is an interactive feedback mechanism that enables the user to evaluate the effectiveness of an optimization method. A matrix representation of the different I/O pins on the device shows the level of SSN at different victim pins caused by switching aggressor pins. The SSN is depicted using different graphical representations. Associated with the SSN of each victim pin is the graphical representation of its accuracy. The accuracy rating denotes the reliability of the SSN and is an indication of how sensitive a victim pin is to errors. In the interactive feedback mechanism, user input on SSN optimization is received and used to calculate the new SSN and accuracy rating of different victim pins on the device. The new data is then updated in a timely manner on the GUI.