To publish your podcast online, you need to:
Some dedicated podcast hosting services (see below) do all this automatically.
Apple Podcasts has a technical guide on how to publish on their platform, including tips that are valid everywhere.
The following hosting services are generally recommended by podcast guides. We have tried sorting them in descending order based on online reviews. Their pricing covers very different services and functionalities, so they are not so easy to compare. While some of them offer cheaper or even free options, we decided to first list the cheapest "large enough" (sometimes unlimited) option for each hosting service:
What can you get for free?
Any Wordpress blog (even with a free Wordpress.com account) can be used to generate your RSS feed.
1. Create a post category for your podcast (you could call it... "podcast")
2. In your editor panel, Settings.
3. On the right, go to Writing, then scroll down to "Podcasting". Click on "Manage details".
4. Edit the details of your podcast to make the feed valid for Podcast catalogues - note that your podcast icon should be at least 1400x1400 pixels.