Content addressable means the URI contains some information uniquely describing the content (typically a cryptographic hash). So if you load https://cdn/js/e3b0

Content addressable means the URI contains some information uniquely describing the content (typically a cryptographic hash). So if you load https://cdn/js/e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855.js https://cdn/js/e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b9... you’ll always know it will contain exactly the same contents, regardless of where it comes from (and that can be verified by the client as well).