Uniform Resource Locator, or URL, is a fancy name for address. It contains information about where a file is and what a browser should do with it. Each file on the Internet has a unique URL.
The first part of the URL is called the scheme. It tells the browser how to deal with the file that it is about to open. The most common scheme you will see is HTTP, or Hypertext Transfer Protocol. It is used to access Web pages .
The second part of the URL is the name of the server where ...