CourseFrontend System Design · 0715 minPremium
Reliability and security in the browser
Running code on devices you do not control: error boundaries and graceful degradation, client monitoring with source maps, feature flags and staged rollouts for front ends, and the browser's threat model: XSS, CSP, CSRF, where auth tokens should live, third-party scripts and why the client is never trusted.
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Part of the Frontend System Design course, on the Premium plan
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What’s inside
- 1. Fail in pieces
- 2. Knowing it broke: client monitoring
- 3. Shipping safely: flags and rollouts
- 4. XSS: the browser's main threat
- 5. Identity in the browser: tokens, cookies, CSRF and CORS
- 6. Third-party code and the supply chain
- 7. The client is never trusted
- In the interview
- What goes wrong
- Drills
- Check yourself