EmmEEdu
Interactive Architecture & Protocols

Visual Architecture Explorer

Watch requests, packets, data structures, and pipeline runners execute step-by-step with real-time controls.

Live Architecture Simulator

How the Modern Web Works

Interactive request/response packet journey across the complete stack

0 ms
1. Web Browser
Client / User Agent
12 ms
2. DNS Resolver
Domain Name System
28 ms
3. TCP / TLS Handshake
Secure Transport
35 ms
4. Edge Load Balancer
Anycast Reverse Proxy
52 ms
5. Application Server
Next.js / Node.js / Go
65 ms
6. Database Cluster
PostgreSQL & Redis Cache

1. Web Browser

HTTP/3 / QUICStep 1 of 6

The user enters a URL or clicks a link. The browser normalizes the URL, checks its internal cache and preloaded HSTS list, and prepares the network request.

Cumulative Latency:0 ms

Browser Initial Actions

  • HSTS Cache Lookup: Ensures encrypted HTTPS connection
  • Local DNS Cache Check: Inspects chrome://net-internals/#dns
  • Connection Pool: Checks for active reusable TCP/QUIC sockets
Live Wire Packet PayloadSimulated Wireshark / TCPDump
GET https://devatlas.io/ HTTP/3
User-Agent: Mozilla/5.0 Chrome/130.0
Accept: text/html,application/xhtml+xml