How can i remove the cb-profile from the url?

Hi If i choose a profile view the url show cb-profile on the url. How can i remove this?
And second how can i add the website name on the browsertab of an profile like name-webseitename?

Hi If i choose a profile view the url show cb-profile on the url. How can i remove this?

That's your CB menu items menu alias. You can't remove it. You can only change it. Joomla SEF routing would never be able to find CB to know they're trying to navigate to a profile without a menu alias.

And second how can i add the website name on the browsertab of an profile like name-webseitename?

Adjust your Joomla SEF settings within Joomla global configuration to include site name in page titles.