Abstract: Method for displaying context-relevant supplementary information in conjunction with an internet page. The prior art discloses methods for displaying context-relevant supplementary information within the framework of browser-assisted methods. Starting from this prior art, the invention is based on the object of providing a browser-independent, i.e. operating-system-protected, method in order thereby to allow the display of independent consumer information. To this end, a piece of advisory software is installed at the operating system level, the advisory software implementing a proxy server on the user computer, which evaluates related internet contents, or the related internet contents are evaluated at network level, for example by evaluating the related network packets in respect of the URL, and this is taken as a basis for deciding whether it makes sense and is possible to display supplementary information in this regard.