Bye bye URL Shortening Service and hello Firebase Dynamic Links (FDL). Okay, not quite hello FDL but Google are pushing that service more.
https://www.hackread.com/google-shuts-down-url-shortening-service-acquires-gif-search-platform/
https://www.hackread.com/google-shuts-down-url-shortening-service-acquires-gif-search-platform/