RFC 9111 HTTP Caching

STD 98 · INTERNET STANDARD · June 2022 · R. Fielding, Ed., M. Nottingham, Ed., J. Reschke, Ed.

The Hypertext Transfer Protocol (HTTP) is a stateless application-level protocol for distributed, collaborative, hypertext information systems. This document defines HTTP caches and the associated header fields that control cache behavior or indicate cacheable response messages. This document obsoletes RFC 7234.

Sections

1. §1 Introduction
2. §2 Overview of Cache Operation
3. §3 Storing Responses in Caches
4. §4 Constructing Responses from Caches
5. §5 Field Definitions
6. §6 Relationship to Applications and Other Caches
7. §7 Security Considerations
8. §8 IANA Considerations