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How a page loads

How does my browser load a web page after I tap a link?

Your browser opens a TCP connection to the server, sends an HTTP request, and renders the HTML response. The three-way handshake below is the first step.

Sources
  • How HTTP works (excerpt)

Can you show the TCP handshake?

Thought briefly
  1. Drawing…TCP three-way handshake · diagram

Here is a diagram of the three-way handshake between client and server.

Canvas · Diagram

TCP three-way handshake
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SYNSYN-ACKACKClientServer

SYN, SYN-ACK, then ACK establish the connection.

What happens after the handshake?

Once the connection is open, the browser sends HTTP requests and builds the page from the response. Sign in to continue this conversation with your own course materials.