Yes. The MLA Handbook notes that writers should aim to “provide their audiences with useful information about their sources” (3). If you have created a permalink for a Web page using a trusted tool, such as Perma.cc, providing the link will be useful since it will allow your reader to access the page even if the original URL changes. You should, however, also provide the URL, since that is where you located the source. List both the URL and the permalink in the “Location” slot, separated by a comma:
Gibson, Angela. “URLs: Some Practical Advice.” The MLA Style Center, . . .
Published 1 February 2019