What Is the World Wide Web?

As you learned in Hour 16, “The Internet: A Closer Look,” the view of the Web page that you see through the window of your Web browser is the result of a conversation between the browser and a Web server computer. The language used for that conversation is called Hypertext Transfer Protocol (HTTP). The data that is delivered from the server to the client is a finely crafted jumble of text, images, addresses, and formatting codes rendered to a unified document through an amazing versatile formatting language called Hypertext Markup Language (HTML).

HTML is conceptually similar to a word processing format. In fact, the best way to begin a discussion of HTML is to consider how word processing documents evolved. Experts ...

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