Hello @Mateusz,
We have recently reviewed your website and noticed that there are no Shipping Methods available on the checkout page. It appears that you are using the Advanced Layout of the Checkout page. Please refer to the screenshot provided: https://postimg.cc/9wyD509h
We would appreciate it if you could provide us with the necessary steps to replicate the issue. If possible, please include a video clip. Additionally, please provide us with your website’s WP Admin Login URL and credentials in the private content area of this topic. This will allow us to further investigate the issue and provide you with assistance.
Best Regards,
8Theme’s Team