Performance bank Network & Caching Performance / 6 questions Your progress 0 / 6 done Saved in this browser. Reset All 6 Medium 4 Hard 2 Hide done No questions match those filters. 1 What's the difference between `Cache-Control: max-age`, `no-cache`, and `no-store`? Medium 2 How do ETags and `Last-Modified` enable conditional requests? Medium 3 How does HTTP/2 multiplexing change bundling advice from the HTTP/1 era? Hard 4 What is a CDN, and how do edge caching and cache invalidation work? Medium 5 How does compression (gzip vs brotli) factor into transfer size budgets? Medium 6 What is stale-while-revalidate and when is it the right caching strategy? Hard ← Previous Runtime & Rendering Performance Next → Measuring & Budgets