Public Bucket is a feature that allows users to expose the contents of their R2 buckets directly to the Internet. By default, buckets are never publicly accessible and will always require explicit user permission to enable.| Cloudflare Docs
Tiered Cache uses the size of Cloudflare’s network to reduce requests to customer origins by dramatically increasing cache hit ratios. With data centers around the world, Cloudflare caches content very close to end users. However, if a piece of content is not in cache, the Cloudflare edge data centers must contact the origin server to receive the cacheable content.| Cloudflare Docs
Cache stores copies of frequently accessed content (such as images, videos, or webpages) in geographically distributed data centers that are located closer to end users than origin servers, reducing server load and improving website performance.| Cloudflare Docs