Links Url Schemes

• scheme://host.domain:port/path/filename

• Scheme is defining the type of Internet service. The most common type is http.
• Domain is defining the Internet domain name like w3schools.com.
• Host is defining the domain host. If omitted, the default host for http is www.
• Port is defining the port number at the host. The port number is normally omitted. The default port number for http is 80.
• Path is defining a path (a sub directory) at the server. If the path is omitted, the resource (the document) must be located at the root directory of the Web site.
• Filename is defining the name of a document. The default filename might be default.asp, or index.html or something else depending on the settings of the Web server.
  

file	a file on your local PC
ftp	a file on an FTP server
http	a file on a World Wide Web Server
gopher	a file on a Gopher server
news	a Usenet newsgroup
telnet	a Telnet connection
WAIS	a file on a WAIS server