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HTML - THE key technology of the Internet - Explanation

HTML (Hypertext Markup Language) is the standard markup language for creating websites. It defines the structure and content of a website using markup tags that tell browsers how to display the content on the website. HTML serves as the basic building block of the World Wide Web and enables text, images, links and other media elements to be displayed and interacted with in a browser.

Main features of HTML:

  1. Structuring of content: HTML allows content to be organized into logical sections such as headings, paragraphs, lists and tables.

  2. Linking pages: HTML can be used to create links that allow users to navigate between different pages and resources.

  3. Embedding media: Images, videos, audio files and other media elements can be embedded into HTML documents to provide multimedia content.

4 Forms: HTML provides form elements such as text fields, drop-down lists, and buttons to enable user interactions such as submitting data or filling out surveys.

5 Semantics: HTML5, the latest version of HTML, adds semantic elements such as <header>, <footer>, <article> and <section> that improve the structure of web pages and help search engines better understand the content.

Example of a simple HTML document:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>My First Website</title>
</head>
<body>
    <header>
        <h1>Welcome</h1>
    </header>
    <nav>
        <ul>
            <li><a href="#">Home</a></li>
            <li><a href="#">About us</a></li>
            <li><a href="#">Contact</a></li>
        </ul>
    </nav>
    <main>
        <article>
            <h2>Our Story</h2>
            <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit....</p>
        </article>
    </main>
    <footer>
        <p>&copy; Blah</p>
    </footer>
</body>
</html>

Important concepts in HTML:

  1. Tags: HTML uses tags to tell browsers how content should be structured and formatted.Tags consist of an opening <tag> and a closing </tag> tag.

  2. Attributes: Tags can contain attributes that provide additional information about the content.For example, the href attribute for links or the src attribute for images.

  3. Elements: An element consists of an opening tag, the content and a closing tag. For example <p>This is a paragraph.</p>.

Advantages of HTML:

  • Universality: HTML is supported by all web browsers and is the basis for every web page on the Internet.
  • Simplicity: HTML is a simple language that can be learned quickly and does not require a special software editor.
  • Flexibility: HTML can be combined with other technologies such as CSS (Cascading Style Sheets) and JavaScript to create interactive and engaging web pages.
  • Accessibility: By using semantic HTML elements, web pages can be made more accessible for screen readers and other assistive technologies.

Conclusion:

HTML is the foundation of the World Wide Web and makes it possible to create, structure and present web pages. It is an easy-to-learn language that supports a variety of applications and is used by developers around the world to publish content on the Internet.

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