TCP, TLS, HTTP/2, WebSocket, and mobile networking, explained by a former Google web performance engineer — free in full online.
Why it's here: Fixes the gap between "the request worked" and understanding why it was slow.
The Hub
The best resources for the craft.
A working library — not a link dump. Every entry here is something worth your time: free where free exists and is genuinely good, paid where the depth justifies it. Organized by what you're actually trying to learn.
Web & Networking
How the internet actually worksMDN Web Docs
FreeThe canonical reference for HTML, CSS, JavaScript, and web platform APIs — accurate, versioned, and vendor-neutral.
Why it's here: The one bookmark every web developer actually needs.
Pro Git
FreeThe complete, official guide to Git — from first commit to rewriting history and managing large team workflows.
Why it's here: Git is table stakes. This is the free book that actually explains the object model, not just the commands.
Official docs for the modern VPN protocol that replaced most legacy tunnel setups — concise, technical, no fluff.
Why it's here: If you've read the WireGuard article on this site, this is the primary source behind it.
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