If you want to see how your show is doing as far as popularity, check out Listen Notes. The best podcast search engine. Think of it as Google for podcasts and podcasters. You can look up your name, your show, your guests. and much more. It will also give your show a ranking based on the top 10% of all podcasts in the world. The rankings only start at top 10% or better, so don't get discouraged if your show is in the other 90%.
Content alone can't save your podcast. You should have decent sounding audio to go along with it. Try to balance it all out. For the good content, you should have equal audio quality. Decent audio quality will help save your show.
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