is a computer-based method for measuring attention. Attention tracking examines the eye-tracking of a user. This is usually done by means of an eye camera, which the test person uses in the scientific investigation. An inexpensive alternative to the measurement with the eye camera is the measurement via the use of the computer mouse by means of Mouse Tracking. Attention tracking helps e-commerce companies and online advertisers to better understand how the attention of Internet users is and can be influenced.