Ratgeber https://blog.piscineco.fr/muss-man-die-filtration-stoppen-wenn-man-einen-poolroboter-benutzt/
Ratgeber I notice this is a URL to an external blog post (blog.piscineco.fr), not an internal link from your Coverdeau website. Since this is an external URL, it should remain unchanged in the translation – URLs to external websites are not translated. https://blog.piscineco.fr/capacite-media-filtre-sable/