Editorial of the Day: How do Web Browsers Work?

Context: Web browsers play a vital role in transforming code into the dynamic web pages that underpin our online interactions.

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Web Browser And Their Working

• Web browsers are applications used to access and exchange information on the internet. They fetch and display content from websites and transmit user inputs.
• In 1990, Tim Berners-Lee introduced the World Wide Web (WWW) concept.
• Modern browsers have core components:
  • Request and Response: When you enter a URL, the browser sends a request to a server for the web page’s content.
    • This request travels through a network of servers, upon reaching the server, the request is received and processed.
    • The server then formulates a response containing the information (or data) required to construct the web page.
  • Deconstructing the Response: The server’s response consists of HTML, CSS, and JavaScript files that define the webpage’s structure, style, and interactivity.
  • Rendering: Browsers interpret HTML, apply CSS for style, and execute JavaScript for interactivity.
  • Managing Data: Browsers use cookies and caching to enhance the user’s online experience, storing small data snippets and website information.

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