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Introduction to Web and Backend Development

What Is the Web and How It Works

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When you open a website, your browser communicates with a server.

A browser is the application you use to access websites. A server is a machine that stores data and sends it when requested.

This communication is based on a simple concept: request and response.

How It Works

  1. Your browser sends a request when you enter a URL;
  2. The server processes the request and prepares the data;
  3. The server sends a response back;
  4. Your browser displays the result as a webpage.

How a Page Is Loaded

When you open a website, the browser does more than just load a single file.

  • The browser requests the main HTML file;
  • The server returns the HTML;
  • The browser requests additional files like CSS and JavaScript;
  • The server sends those files;
  • The browser combines everything and renders the page.

This all happens in milliseconds, giving you a complete website on the screen.

Var allt tydligt?

Hur kan vi förbättra det?

Tack för dina kommentarer!

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What Is the Web and How It Works

When you open a website, your browser communicates with a server.

A browser is the application you use to access websites. A server is a machine that stores data and sends it when requested.

This communication is based on a simple concept: request and response.

How It Works

  1. Your browser sends a request when you enter a URL;
  2. The server processes the request and prepares the data;
  3. The server sends a response back;
  4. Your browser displays the result as a webpage.

How a Page Is Loaded

When you open a website, the browser does more than just load a single file.

  • The browser requests the main HTML file;
  • The server returns the HTML;
  • The browser requests additional files like CSS and JavaScript;
  • The server sends those files;
  • The browser combines everything and renders the page.

This all happens in milliseconds, giving you a complete website on the screen.

Var allt tydligt?

Hur kan vi förbättra det?

Tack för dina kommentarer!

Avsnitt 1. Kapitel 1
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