video/mp4

MP4 video

Video

.mp4

Media Type

video/mp4

File Extension

.mp4

HTTP Response Header

Content-Type: video/mp4

HTML Link Tag

<link rel="stylesheet" type="video/mp4" href="style.css">

JavaScript Fetch API

fetch('/api/data', {
  headers: {
    'Content-Type': 'video/mp4'
  }
})

Express.js (Node.js)

res.setHeader('Content-Type', 'video/mp4');
res.send(data);

Video MIME types specify the video format and codec. Proper MIME types are essential for HTML5 video playback.