1. A method comprising: receiving an image that depicts an item, the image having a plurality of visual characteristics that are quantifiable by an analysis of image data included in the image; performing the analysis of the image data included in the image that depicts the item and that has the plurality of visual characteristics; determining a score that quantifies a visual characteristic among the plurality of visual characteristics of the image that depicts the item, the determining of the score being based on the analysis of the image data included in the image that depicts the item, the determining of the score being performed by a processor of a machine; and providing a suggestion to a seller of the item that the received image be replaced with an available alternative image of higher quality stored by the machine, the item being depicted by both the received image and the available alternative image, the suggestion being provided based on the score that quantifies the visual characteristic among the plurality of visual characteristics of the received image that depicts the item.