Free Course — No signup required

Networking
for Developers

DNS, HTTP, TCP/IP, load balancers, CDNs — you use these every day. Understanding them makes you a better developer and a better debugger.

5 lessons
Self-paced
~60 min/day
Free forever

Networking for Developers

DNS, HTTP, TCP/IP, load balancers, CDNs — you use these every day. Understanding them makes you a better developer and a better debugger.

  • Trace how a URL becomes a response — every step
  • Understand HTTP methods, headers, and status codes
  • Grasp TCP/IP, ports, and how data moves across the internet
  • Configure DNS records for your domains
  • Understand load balancers and CDNs at a practical level
5
practical lessons
7
OSI layers explained
$0
cost to take this course
Debug
network issues fast

Every lesson ships working code.
No theory without practice.

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B
Bo Peng
Founder, Precision AI Academy

Kaggle Top 200 data scientist. Trained 400+ professionals across universities and federal agencies. Built production systems used by thousands. This course skips toy examples and gives you patterns that work in real projects.

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