Below are links whose HREF values are shift-jis strings!

abc製品情報abc.html
abc製品情報abc.pdf


製 = 90BB (SJIS)
品 = 9569 (SJIS)
情 = 8FEE (SJIS)
報 = 95F1 (SJIS)


Netscape 4.x actually sends the raw bytes that are in the href attribute.
IE 5 actually sends: .../abc%E8%A3%BD%E5%93%81%E6%83%85%E5%A0%B1abc.html when the link is clicked. This is a UTF-8 encoded form of the unicode characters represented by the href attribute.