Beginner

1. 01Think like a designerWhat system design is, how to size a system on paper, and the numbers worth knowing.0/9 done

   Learn · 0/3

   • What system design is, and how to approach it

     9 min · 3-question quiz

   • Back-of-the-envelope estimation

     9 min · 3-question quiz

   • Latency, throughput and bandwidth

     6 min · 3-question quiz

   Explore · 0/1

   • Tail latency

     Interactive simulation

   Watch · 0/3

   • 
     System Design BASICS: Horizontal vs. Vertical Scaling

     Gaurav Sen · 8 min

   • 
     System Design for Beginners Course

     freeCodeCamp.org · 85 min

   • 
     Ultimate LLD and HLD Roadmap | System Design RoadMap | LLD & HLD Topics to be covered for Interview

     Concept && Coding - by Shrayansh · 11 min

   Read · 0/2

   • Anatomy of a System Design Interview

     Hackernoon

   • Hello Interview: System Design in a Hurry

     Hello Interview

   0% done. At 80% this step counts as mastered.

2. 02How the web worksClients, servers, HTTP and how a request travels.0/13 done
3. 03Secure the basicsEncrypted connections, sign-in, sessions and single sign-on: the security every product needs on day one.0/8 done
4. 04Databases 101Tables, schemas and indexes: how data is stored and found quickly.0/10 done
5. 05Containers 101Package apps reproducibly so they run anywhere.0/10 done
6. 06Scaling one serverVertical vs horizontal scaling and spreading load.0/13 done
7. 07Caching basicsKeep hot data close; learn eviction and invalidation.0/13 done
8. 08Real-time basicsPush data to clients without polling.0/7 done
9. 09Your first designPut it together: design a URL shortener from requirements to scale, and learn how ids are generated.0/9 done

Master all 9 steps to earn the Foundation Builder badge and a grade. A step counts as mastered when you have done 80% of it. Lessons you finish, labs you pass and videos you watch on the site tick themselves.