I think he means ScreamingFrog, a site audit tool.
I am guessing you used a site library to initially populate your site. For example the “Horizon” site has a “Built with GeneratePress” with a link in the footer.
These links’ locations from these differ based on the specific site you imported and if it uses Elementor, Beaver Builder, Elements, or Block Elements. You need to provide more information to give an exact answer or at least a link.