If it has no leading “/” (U+002F) character, prepend a “/” (U+002F) character to the new value http://www.w3.org/TR/html5/urls.html#urls Uniform Resource Identifier (URI) http://tools.ietf.org/html/rfc3986 This attribute represents the path component of the Location’s URI which consists of everything after the host and port up to and excluding the first question mark (?) or hash mark (#). http://w