Ah, the Cloudflare free plan does not automatically turn these on. I know since I use it for some small things and don't have these on. I wouldn't use User-Agent filtering because those are spoofable. But putting feeds on a separate URL is probably a good idea. Right now the feed is actually generated on request for these sites, so caching it is probably a good idea anyway. I can just rudimentarily do that by periodically generating and copying it over.