Judging the slowdown from response headers is how we triage multi-node fleets too — browser vs CDN vs origin look similar until you read Age, CF-Cache-Status-style signals, and where Vary split the key. We open-sourced CDNCA so one control plane can operate self-hosted CDN nodes and a plugin marketplace; marketplace features roll out release by release. Which header lied to you most often when the "HIT" still felt slow?