How can I find shortened URLs that link to a specific long URL?
问题 This is the reverse of the usual expanding short URLs question. For a given Long URL, how can I find which short URLs link to it? If this needs to go through the APIs of the shorteners, apointers ot the ones which support such a query would be appreciated. 回答1: Simple answer: submit the URL to each URL shortener that you're interested in. If the URL has been shortened before you'll be given the same short URL that anyone else submitting your URL got back. Otherwise, you now have a new short