404. That’s an error.

The requested URL /bookmarks/mark?op=add&bkmk=http%3A%2F%2Fbenitsuru.net%2Farchives%2F692&title=%E3%80%8C%E5%A4%A7%E9%98%AA%E3%83%95%E3%82%A7%E3%83%86%E3%82%A3%E3%83%83%E3%82%B7%E3%83%A5%E3%82%A2%E3%83%BC%E3%83%88%E3%80%8D was not found on this server. That’s all we know.