Thanks! I actually read your note on `use Cache-Control max-age HTTP headers for a "do not poll again before" time: savings of 10x or much more are likely if th

Thanks! I actually read your note on `use Cache-Control max-age HTTP headers for a "do not poll again before" time: savings of 10x or much more are likely if the feed server is set up well: an unnecessary feed poll avoided entirely is the cheapest kind!` and realized I don't currently, so adding that tonight.