Ensure that you have fonts that can represent Korean characters. Ensure that the default encoding for the browser you are testing is not set to UTF-16.
HTTP vs UTF-16BE BOM
Click on the link. Test passes if the linked page does NOT show two lines that look the same - the page should display garbage.
Assertion: If the HTTP header of a page is not set to UTF-16, a UTF-16 big-endian BOM will not cause a file to be recognized as UTF-16.
Encoding information is declared in the HTTP header but not inside the document.
The text contains the following sequence of bytes: 0xC3 0xBD 0xC3 0xA4 0xC3 0xA8. The characters serve to distinguish ISO 8859-15 from ISO 8859-1, UTF-8 and UTF-16.
The graphic on the lower line shows what you would expect to see if the page is encoded as UTF-16.