They can just add an http header that browsers and browser plugins can listen for, they already add `cf-cache-status: HIT`, so they could add this too: cf-

They can just add an http header that browsers and browser plugins can listen for, they already add `cf-cache-status: HIT`, so they could add this too: cf-http-endpoint: 1 or if you want it to match their own terminology[0], it could be: cf-encryption-mode: off/flexible/full/full-strict/strict [0]: https://developers.cloudflare.com/ssl/origin-configuration/ssl-modes/ https://developers.cloudflare.com/ssl/origin-configuration/s...