Can't connect my iPad to the localhost of my Mac

Question

I want to access the localhost of my Mac from my iPad. From my Mac, the address is http://localhost:8888.

Through IP address

The Mac and the iPad are connected to the same Wifi network. The IP address of the Mac is 10.0.0.58

On the iPad, I try to access localhost with the address

http://10.0.0.58:8888

but the website never loads (with the error "No response from the server").

With .local address

I also tried to access localhost via the name of the Mac. It is colas.local.

On the iPad, I try to access localhost with the address

http://colas.local:8888

but the website never loads (with the error "No response from the server").

My question

What can I do to access localhost from the iPad? Note that they are connected with a USB cable so it might also be possible like that.

Why don't my attempts work?