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The World Wide Web (WWW or Web) and the Hypertext Transfer Protocol (HTTP) are foundational elements of the internet, enabling the retrieval and display of web pages and resources. Here’s an overview of each:

World Wide Web (WWW):


  • The World Wide Web is a system of interconnected hypertext documents accessed via the internet.
  • It allows users to navigate between web pages, view multimedia content, and access a wide range of information and services.

Key Concepts:

  1. Hypertext: Web pages are typically composed of hypertext, which contains hyperlinks (or simply “links”) that allow users to navigate between pages by clicking on them.
  2. Uniform Resource Locator (URL): URLs are used to address and locate web resources on the internet. They consist of a protocol (e.g., HTTP), domain name (e.g.,, and optional path to the specific resource.
  3. Web Browser: Software applications such as Google Chrome, Mozilla Firefox, and Microsoft Edge are used to access and render web pages, interpreting HTML, CSS, and JavaScript to display content.
  4. Web Server: Web servers host and serve web pages and resources to clients (web browsers) upon request. Common web server software includes Apache, Nginx, and Microsoft IIS.

Hypertext Transfer Protocol (HTTP):


  • HTTP is an application-layer protocol used for transferring hypertext documents (such as web pages) over the internet.
  • It defines how web servers and clients (web browsers) communicate with each other to request and deliver web content.

Key Concepts:

  1. Client-Server Model: HTTP follows a client-server architecture, where clients (such as web browsers) send requests for web resources to servers, which then respond with the requested content.
  2. Stateless Protocol: HTTP is stateless, meaning each request from the client to the server is treated independently, without any knowledge of previous requests. This simplifies implementation and improves scalability.
  3. Request-Response Cycle: The HTTP protocol operates through a request-response cycle, where clients send HTTP requests to servers, and servers respond with HTTP responses containing the requested content.
  4. HTTP Methods (Verbs): HTTP defines various request methods, including GET (retrieve a resource), POST (submit data to a resource), PUT (update a resource), DELETE (remove a resource), and others.
  5. Status Codes: HTTP responses include status codes indicating the outcome of the request, such as 200 (OK), 404 (Not Found), 500 (Internal Server Error), and others.


  • The WWW and HTTP have revolutionized the way information is accessed and shared, enabling the growth of the internet into a global network of interconnected resources.
  • They provide a standardized framework for accessing and delivering web content, supporting a wide range of applications and services.

Understanding the concepts of the World Wide Web and HTTP is essential for anyone involved in web development, internet technologies, or digital communication.