What is Cache? How Caching Makes Everything Faster (Explained Simply)

Описание: Ever wondered why websites load faster the second time you visit them? Or how your computer stays so responsive? The answer is caching! In this video, we break down what caching is, how it works, and why it's absolutely essential for modern computing.

What You'll Learn:
What is a cache and why it matters for performance
Cache hits vs cache misses explained
4 types of caching: CPU cache, browser cache, server/application cache, and CDN cache
How caching works in real-world examples (YouTube, Instagram, Redis)
Cache replacement policies: LRU, LFU, and FIFO

Key Concepts Covered:
Understanding cache storage: small, fast, and temporary
How browsers cache images, CSS, JavaScript, and fonts
Server-side caching with Redis and in-memory databases
Content Delivery Networks (CDNs) like Cloudflare and Akamai
Cache eviction strategies and how systems decide what to keep

Whether you're a developer, computer science student, or just curious about how technology works, this video will give you a clear understanding of one of the most important concepts in computing. Caching happens everywhere, from your CPU to the global internet, and it's what makes your digital experience feel instant.

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