Improve information on "no access page"

when I 'm on a wiki/page and a link is embedded that links to a different wiki where I don't have access, the "no access" page is rather useless: you don't have access ask the person who provided the link....

I don't know who created the first link - hence I have no information:

I don't see in which page/wiki the target page is at.

I don't know the admin(s) of the target page, hence I can't request access.

And it doesn't allow to directly request access to the locked wiki.

All these information should be transferred in the " you don't have access " page