Every time you visit a website, your browser (Chrome, Safari, etc.) "caches" parts of that site—like the logo, images, and CSS files. When you return to that site tomorrow, it loads significantly faster because your computer already has the heavy assets stored locally. 3. CDN and Server-Side Caching
When a system needs to retrieve data, it follows a specific hierarchy:
The system looks in the cache first. If the data is found, it’s a "hit," and the information is delivered instantly.
While caching is essential for speed, it isn't perfect. The most common issue is .
