A Web content read information display device includes: a content image generation unit for cutting out a part of at least one Web content based on a past display format according to a predetermined rule so as to generate a thumbnail and generate at least one trimming image from a part of the Web content displayed in the past; a read history screen generation unit for displaying a read history screen where the thumbnail and the trimming image corresponding to each of the Web contents are arranged on a display device; and a content read operation control unit for displaying a Web content corresponding to read operation information indicating one of the thumbnail images and one of the trimming images displayed, on the display device.