Mp4 - 304

The browser sends a request to the server, and the server says: "Hey, nothing has changed since your last visit (Status: 304). Just use the copy you have in your cache" .

: For a quick user-side fix, clearing browser cache and cookies usually forces the server to send a fresh 200 OK response instead of the 304. 304 mp4

: If you use a CDN like Cloudflare , add a Page Rule to Bypass Cache specifically for .mp4 extensions. The browser sends a request to the server,