How would you detect something like that? Thats at the discretion of the party running the webserver/service and it's not directly observable. Cloudflare acts a

How would you detect something like that? Thats at the discretion of the party running the webserver/service and it's not directly observable. Cloudflare acts as a reverse proxy in front of the real origin server (which uses https), but that affects really a lot of internet sites nowadays (Cloudflare, Akamai, aws/gcp/azure and so on). CDN-origin connectivity is also encrypted, afaik you cannot downgrade and strip ssl (at least not with Akamai)