Understanding Web Page Addresses

Let’s begin by examining that strange creature, the World Wide Web address, officially known as a Uniform Resource Locator (URL). A web page’s address usually takes the following form:

http://host.domain/directory/file.name

host.domain—The domain name of the host computer where the page resides.

directory—The host computer directory that contains the page.

file.name—The page’s filename. Note that most web pages use the extensions .html and .htm.

Here are some notes about URLs:

• The http part of the URL signifies that HTTP (Hypertext Transfer Protocol) is the TCP/IP protocol to use for communication between the web browser and the web server. HTTP is the protocol for standard web pages. Other common protocols ...

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