Response code 304?

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From the Mozilla web docs:

The HTTP 304 Not Modified client redirection response code indicates that there is no need to retransmit the requested resources. It is an implicit redirection to a cached resource. This happens when the request method is safe, like a GET or a HEAD request, or when the request is conditional and uses a If-None-Match or a If-Modified-Since header.

The equivalent 200 OK response would have included the headers Cache-Control , Content-Location , Date , ETag , Expires , and Vary .

—304 Not Modified - HTTP | MDN

Basically, when your browser re-requests the same file, it sends If-Modified-Since and Caddy’s file server can say “nope, the file hasn’t been modified since you last checked, your cached copy is still good” (this is Status 304).

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