8. HTTP Cache Basics and Cache Poisoning
1. HTTP CACHING Caching is a mechanism designed to decrease the server load and speed up the loading of web pages. A cache saves copies of server responses and serves them to users upon their repeating requests.The cache can operate locally in the user’s browser, or there are also intermediate caches: caching proxies, load balancers, CDNs, web servers. Our lesson is devoted specifically to intermediate caches.In case of a browser cache, when a user requests some data, the browser first…