For those comfortable with a terminal or command prompt, the curl command mentioned earlier is a reliable and scriptable method:

curl --head https://bit.ly/3b4pcrw | grep Location

The simplest method to preview a Bitly link is to add a + to the end of the URL and visit that page. When this technique was applied to bit.ly/3b4pcrw , however, the attempt returned an error rather than the expected preview page. This could indicate several possibilities: