Web Fundamentals

Networking and browser basics that explain how the modern web works from DNS to HTTP and TLS.

• How the Internet Works: Simple Explanation for Developers

  5 Mar, 2026

  By Pratik Bhuite | 12 min read

  Series: Internet and Web Foundations Series

  Learn how the internet works end to end: packets, ISPs, routers, DNS, TCP/TLS, and CDNs, with practical debugging insights for developers.

  • Web Fundamentals
  • Networking
  • Internet

• What Happens When You Type a URL? Step-by-Step Explained

  Updated

  Updated: 3 Mar, 2026

  By Pratik Bhuite | 17 min read

  Series: Internet and Web Foundations Series

  Understand what happens when you type a URL: browser parsing, DNS lookup, TCP/TLS handshakes, HTTP flow, rendering, and debugging tips.

  • Web Fundamentals
  • Networking
  • DNS

• TCP vs UDP Explained Clearly with Real Examples

  3 Mar, 2026

  By Pratik Bhuite | 11 min read

  Series: Internet and Web Foundations Series

  Learn TCP vs UDP with real examples, packet flow, reliability trade-offs, and a practical decision framework for backend systems.

  • Web Fundamentals
  • Networking
  • TCP

• How DNS Works: Complete Beginner Explanation

  1 Mar, 2026

  By Pratik Bhuite | 13 min read

  Series: Internet and Web Foundations Series

  Learn how DNS works from browser query to authoritative answer, including records, caching, TTL, and practical troubleshooting steps.

  • Networking
  • Web Fundamentals
  • DNS

• HTTP vs HTTPS: What's the Difference? (Beginner's Guide)

  28 Feb, 2026

  By Pratik Bhuite | 11 min read

  Series: Internet and Web Foundations Series

  Learn HTTP vs HTTPS with clear examples: encryption, TLS certificates, integrity, authentication, SEO impact, performance, and migration best practices.

  • Web Fundamentals
  • HTTP
  • HTTPS