Why Learn System Design?
Industry Standards
Learn patterns used by companies like Google, Facebook, Amazon, and Netflix to build systems that serve billions of users.
Interview Preparation
Master the skills tested in system design interviews at top tech companies. Understand trade-offs and design decisions.
Lifetime Resource
Access comprehensive, free guides covering concepts, case studies, and examples. Learn at your own pace, forever free.
Your Learning Path
Start with core concepts, then move to real-world case studies. Each module builds on the previous one.
Core Concepts
Vertical vs. Horizontal scaling principles.
Distributing traffic to prevent server overload.
Strategies to reduce latency and database load.
Choosing between SQL, NoSQL, and when to use each.
Decoupling services for asynchronous communication.
Understanding consistency, availability, and partition tolerance.
"Design a..." Case Studies
Like TinyURL or bit.ly.
Like Twitter or Facebook.
Like Netflix or YouTube.
Like Uber or Lyft.
Like Googlebot.