<P> The URL path name can also be specified by the user in the local writing system . If not already encoded, it is converted to UTF - 8, and any characters not part of the basic URL character set are escaped as hexadecimal using percent - encoding; for example, the Japanese URL http://example.com/ 引き 割り. html becomes http://example.com/%E5%BC%95%E3%81%8D%E5%89%B2%E3%82%8A.html . The target computer decodes the address and displays the page . </P> <P> Protocol - relative links (PRL), also known as protocol - relative URLs (PRURL), are URLs that have no protocol specified . For example, / / example.com will use the protocol of the current page, either HTTP or HTTPS . </P>

What are the three parts of this url