http-stats:
HTTP/1.1 MIME - Version header field

The MIME - Version field is NOT a standard HTTP header field and may not be supported by all clients.

This field is just an incorrect spelling of the standard field MIME-Version. (Additional spaces between the words)
This spelling is not supported by any know client.


Common MIME - Version header values:

The non-standard "MIME - Version" header is only sent by:

NOTE: this header may be sent directly by the server software or from some third party application running on that server.

Sample MIME - Version web server response:

HTTP/1.1 200 OK
Content-Type: text/html; charset=UTF-8
Content-Length: 6770
MIME - Version: 1.1
Date: Fri, 30 Jul 2010 17:01:20 +0000

<!DOCTYPE html PUBLIC "-//W3C//DTD ...
...
...

Other common HTTP headers

Other less common headers