would like to import Dophin with websie-import

I have dolphin on Plesk ubundo server

would like to import Dophin with websie-import

to another domain on my server.

With Joomla pages and Wordpress pages

this is not a problem.

Only with a Dolphin side to another domain, it is not possible.

Does anyone have any experience as to whether special demands are necessary?

Thank you for the information

Do you just want to change the domain name of the site or do you want to clone the site to another domain name.  You can clone the site; or copy, in Plesk using the built in Plesk utility.  It will copy the website and database for you.

the plesk utility

Website-Import is the easy and safe way.

what should a website benefit me without a database?

I have already copied to Plesk websites.

Had but not a good experience.

The Plesk utility works just fine for moving a site server to server. I really don't know what you are trying to do as I don't understand your statements.  Are you the one that we asked to use Google translate or to post in your first language and let us translate?  We can not help when we don't understand the nature of the problem.

what is not there to understand.

import a website (import content with database) from domain

A to Domain B

On the same server?  You just clone the website and it works.  Server to server you need root access to the server you will be copying from; and it works.  I have done both in Plesk.