I built a website and crawler to analyze the podcast ecosystem. The website contains various reports about the usage feed tags and audio properties.

Podcast de facto Standard

For the information about tag usage, I used defusedxml and written some basic validators to check that the tags included are also valid according to there specification.

The audio analysis is done using ffmpeg and ffprobe. I only extract basic features provided by these tools.

I hope this information is helpful to the podcasting community and people building their own podcasting system.