Learn the most common cache replacement policies—LRU, LFU, FIFO, and Random. Discover how they work, when to use them, and how to choose the right one for your caching strategy based on performance and complexity.
Learn the essential cache invalidation strategies to keep your application data fresh, reduce latency, and prevent stale or inconsistent results. Understand write-through, write-back, TTL, purge, ban, and more.
Caching is a powerful technique used to speed up applications, reduce server load, and improve user experience. This post introduces the fundamentals of caching, including how it works, types of caching, key concepts, and why it's crucial in modern web development.
Learn how DNS load balancing and high availability techniques like round-robin DNS, geographically distributed servers, anycast routing, and CDNs keep websites fast, reliable, and always available for users worldwide.
Confused about the difference between URL, URI, and URN? This post breaks it down in simple terms, highlighting the key differences with real-world examples. Perfect for web developers, students, and tech enthusiasts who want clarity on these often-misunderstood terms.