When you want to subscribe to a podcast, it’s usually as easy as clicking a link—often a link labeled Add to Apple Podcasts or to another popular podcast app, like Castro, Overcast, and Pocket Casts.

You can shorten a URL by using an URL shortener website, which will shrink your URL for free. Popular link shorteners on the internet include Bitly, TinyURL, and Rebrandly. You'll need a premium ...