Hello,
I have checked the console and see this error: https://ibb.co/nMspLWN
Google Maps JavaScript API error: RefererNotAllowedMapError at https://developers.google.com/maps/documentation/javascript/error-messages#referer-not-allowed-map-error
Learn more at https://developers.google.com/maps/gmp-get-started
They give the link with the instruction on how to solve the issue.
If you have any questions please feel free to contact us.
Best Regards