Clicking the find-me button on https-website does not work.
jquery.js?ver=1.12.4-wp:4 Mixed Content: The page at 'https://regional.uber.space/unsere-9-bundeslander/' was loaded over HTTPS, but requested an insecure script 'http://www.geoplugin.net/json.gp?jsoncallback=jQuery112406948035503699372_1588501139067&ip=2001:4bb8:10e:8a21:2085:94e:8027:b2d6&_=1588501139068'. This request has been blocked; the content must be served over HTTPS.
From https://wordpress.org/support/topic/search-widget-does-not-work-on-ssl/:
Clicking the find-me button on https-website does not work.
Changing the request to https://ssl.geoplugin.net/ would solve the problem.