mjpeg.html with:
<html>
<head>
<title>MJPEG</title>
</head>
<body>
<img src="http://192.168.0.73:4014" alt="MJPEG" />
</body>
</html>
OK for Firefox ESR 115 on Windows, but not for Firefox 130 when tested around September 2024.
Still not OK for Firefox 133 on Windows 10 when tested on December, 7 2024, while OK with Chrome and Edge 131.
But OK if http://192.168.0.73:4014 is pasted directly in the address bar...