Some platforms need your website to include a specific tag to identify your site as the official website for your podcast.
Podpage already has this included. Every website has the following tag automatically on the page:
<link rel="alternate" type="application/rss+xml" title="YOUR PODCAST NAME" href="YOUR PODCAST RSS FEED URL" />
So, if you're on Anchor or any other service that requires it, no worries. It's there!