: Ensure your server (like Apache ) is explicitly told to serve .mp4 as video/mp4 . If the type is wrong, the browser might treat it as a generic file and fail to cache it correctly.
: 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
Mobile browsers, especially Safari on iOS , sometimes struggle to "talk" to the disk cache when it comes to large media files like MP4s. The player expects a fresh stream, the server says "no need," and the result is a broken play button or a "Source Not Found" error. How to fix it: : Ensure your server (like Apache ) is
Ever had a video that works perfectly the first time but breaks the moment you refresh or navigate back? You might be hitting the trap. Mobile browsers, especially Safari on iOS , sometimes
: If you use a CDN like Cloudflare , add a Page Rule to Bypass Cache specifically for .mp4 extensions.