When given URL of page that does not contain any images (see examples below), tool does not show any error message nor information. Loading spinners just goes on and on.
Examples:
https://commons.wikimedia.org/wiki/Commons:Contact_us
https://fr.wikipedia.org/wiki/Aide:Comment_cr%C3%A9er_un_article
https://de.wikipedia.org/wiki/Lars_Kindgen