The Big Archive for System Design - 2023 Edition (PDF) is available now. And it's completely FREE. The PDF contains 𝐚𝐥𝐥 𝐦𝐲 𝐭𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐩𝐨𝐬𝐭𝐬 published in 2023. What’s included in the PDF? 🔹 Netflix's Tech Stack 🔹 Top 5 common ways to improve API

How DNS Works

The Most Important Paper: "Attention Is All You Need" Explained Step-by-Step

Long polling vs short polling vs SSE vs WebSocket

Top 20 System Design Concepts You Should Know

What is a REST API?

Virtualization Explained: From Bare Metal to Hosted Hypervisors

Last Call: All in One Interview Prep Black Friday Sale

⏳ LIMITED TIME OFFER: All in One Interview Prep Black Friday Sale Yearly Black Friday sale is now live! Use code BF2025 at checkout to get 30% off the all-in-one interview prep online courses. To take advantage of this limited time offer, subscribe before 11:59 pm PST on

Modem vs. Router

What is a Firewall?

How do AirTags work?

Git Merge vs. Rebase vs. Squash Commit!

Popular Backend Tech Stack. You do not need everything. Choose whatever tech or tools work best for you.

Cloudflare is much more than just a CDN and DDoS protection service. Let’s do a quick comparison of Cloudflare, AWS, and Azure.

HTTP vs. HTTPS

Big Data Pipeline Cheatsheet for AWS, Azure, and Google Cloud

Last chance to enroll in AI Engineering Cohort 2. It starts tomorrow. This is a live, cohort-based course created in collaboration with best-selling author Ali Aminian and published by ByteByteGo. Here’s what makes this cohort special: • Learn by doing: Build real world AI

Network Services That Power Modern Connectivity

Last Call: Enrollment for the AI Engineering Cohort 𝐄𝐧𝐝𝐬 𝐢𝐧 3 𝐃𝐚𝐲𝐬 Our second cohort of Becoming an AI Engineer starts in 3 days. This is a live, cohort-based course created in collaboration with best-selling author Ali Aminian and published by ByteByteGo. Here’s what

The Building Blocks of Modern Networking