That’s really just an open redirection, common to find it in many sites. Easily identifiable in parameters. Alternatively, there’s a built-in feature to most browsers that accept a @ to redirect. So it would look something like below, to be rendered as somedomain.tld:
www.bbc.com⁄@1e.to/news-hijab-ban-reaches-referendum-58195419
stackoverflow.com⁄question⁄@1e.to/AI-IS-THE-FUTURE-OF-SCAMBAITING
stackoverflow.com⁄question⁄@1e.to/how-do-i-make-gadgets-local-cv2 Unlimited power