What is Caching?

Caching refers to the process by which server responses are stored and reused to make subsequent requests faster. DNS, databases, and web servers frequently use caching to increase speed and reduce load on servers and networks.

For more resources about caching, please visit:

  • Web Caching Basics: Terminology, HTTP Headers, and Caching Strategies
  • Understanding Nginx HTTP Proxying, Load Balancing, Buffering, and Caching
  • An Introduction to DNS Terminology, Components, and Concepts

A complete list of our caching-related tutorials, questions, and other educational resources can be found on our caching tag page.