Overview

Students learn about and investigate HTTP by looking at HTTP traffic generated within their own browser. Students visit a variety of websites and use the browser’s built-in tools to view all the traffic.

Vocab

• DNS - short for Domain Name System, this system translates domain names (like example.com) to IP addresses (like 93.184.216.34)
• HTTP - HyperText Transfer Protocol - the protocol used for transmitting web pages over the Internet
• IP Address - A number assigned to any item that is connected to the Internet.
• TCP - Transmission Control Protocol - provides reliable, ordered, and error-checked delivery of a stream of packets on the internet. TCP is tightly linked with IP and usually seen as TCP/IP in writing.
• URL - An easy-to-remember address for calling a web page (like www.code.org).

Resources

• HTTP and Abstraction on the Internet - Resource (copy as MS Word, Google Doc)

• HTTP in Action - Worksheet (copy as MS Word, Google Doc)

• The Internet: HTTP and HTML - Video (download)