To support design production of a web content whose web accessibility is considered.

An attentional area display system 1-101 for displaying an attentional area of a web page, comprises: analysis means 1-3 for analyzing the structure of the web page and acquiring plural display elements constituting the web page; display determination means 1-2 for determining whether each display element acquired by the analysis means is in a display state or a non-display state; and calculation means 1-2 for calculating an attentional score which is an index representing the degree of attention of a human for the each display element; wherein the calculation means 1-2 calculates the attentional score for the each display element based on an absolute attribute which is an invariable attribute of the display element.