SSShivansh Sharmainsys-design12.hashnode.dev·Mar 24 · 9 min readCaching Explained with Real Examples: The Secret Behind Fast SystemsEvery time you open Instagram and your feed loads instantly, caching is working behind the scenes. Every time Google returns results in 200ms across billions of pages, caching is involved. Every time 00
SSShivansh Sharmainsys-design12.hashnode.dev·Mar 21 · 6 min readHow URL Shorteners Work: The System Design Behind TinyURL and BitlyHave you ever wondered what happens when you click a short link like bit.ly/3xK9pQr? In under 100 milliseconds, a system looks up your code, finds the original URL, and redirects you — across potentia00