Most tutorials tell you what to type.
This one tells you what actually happens.
A system-design curriculum written by a frontend developer, for frontend developers — networking and databases from first principles, taught against the real architecture of Fable, a shipped group-expenses app.
The Curriculum
Start at fetch() and dig down to packets and pages.
Fable, Deconstructed
Every decision, every trade-off, every production incident — from a real app in the stores.
How to use this site
- Read a lesson.
- Answer the self-checks out loud.
- Follow one Go-deeper link.
- Find it in Fable.