Engrain by ByteRush

WEB.13 2 concepts · 2 ready

Networking II: caching

Design caching from browser to CDN.

  1. WEB.13.01HTTP caching headersCoreMid-level12 min
  2. WEB.13.02Cache layers: memory, disk, service worker, CDNCoreMid-level11 min

Interview questions in this module

  1. What is the difference between no-cache and no-store?
  2. How do ETags work?
  3. How do you deploy new JS without users getting stale files?
  4. What does stale-while-revalidate do?
  5. What is the back/forward cache and what prevents a page from using it?
  6. Walk through all the caches a request can hit.