Chapter 1. Web Page Building Blocks

While Web pages have become increasingly complex, their underlying structure remains remarkably simple. A Web page is made up of three principal components: text content, the actual headers and paragraphs that appear on the page; occasional references to more complex content like links, images, and even Flash animations; and markup—instructions that describe how the content and references should be displayed. It is important to note that each of these components is comprised exclusively of text. This essential feature means that Web pages can be saved in text-only format and viewed on practically any browser on any platform. It guarantees the universality of the Web.

Web pages also include information about the ...

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