I mean look at the MDN page on cache control itself: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cache-Control https://developer.mozilla.org/en-US

I mean look at the MDN page on cache control itself: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cache-Control https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Ca... Now click away and click back. There will be a request and a 304. That's what I'm used to, not an instantaneous non-request.