# HTTP Caching
**Wikidata**: [Q15975508](https://www.wikidata.org/wiki/Q15975508)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/HTTP_caching)  
**Source**: https://4ort.xyz/entity/http-caching

## Summary
HTTP Caching is a mechanism for storing web documents temporarily in a web cache to improve performance and reduce latency. It is defined by RFC 9111 and is a subclass of the broader cache computing component, which stores data to serve future requests faster.

## Key Facts
- HTTP Caching is a subclass of the general computing component known as a cache.
- It is primarily used for web caching, where web documents are temporarily stored.
- The most recent authoritative source for HTTP Caching is RFC 9111.
- HTTP Caching is also referred to as "cache HTTP" or "cachage HTTP."
- The concept is part of the Hypertext Transfer Protocol (HTTP/1.1) standards.
- It has been implemented in multiple languages, including English (en) and German (de).
- The Google Knowledge Graph ID for HTTP Caching is /g/122wh4vp.
- HTTP Caching is described by RFC 7234, with RFC 9111 being the most recent update.

## FAQs
### Q: What is the purpose of HTTP Caching?
A: HTTP Caching stores web documents temporarily to improve performance by reducing the need to fetch the same data repeatedly from the original server.

### Q: What is the most recent standard for HTTP Caching?
A: The most recent standard is RFC 9111, which updates the original RFC 7234.

### Q: How does HTTP Caching differ from a general cache?
A: HTTP Caching is a specialized form of caching designed specifically for web documents, following HTTP protocols and standards.

### Q: In which languages is HTTP Caching documented?
A: HTTP Caching is documented in English (en) and German (de) on Wikipedia.

### Q: What is the Google Knowledge Graph ID for HTTP Caching?
A: The Google Knowledge Graph ID for HTTP Caching is /g/122wh4vp.

## Why It Matters
HTTP Caching is a critical component of web performance optimization, reducing latency and server load by storing frequently accessed web documents temporarily. It adheres to standardized protocols (RFC 9111) and is widely implemented to enhance user experience by delivering content faster. By minimizing redundant data transfers, HTTP Caching contributes to more efficient and scalable web services, making it an essential feature in modern web infrastructure.

## Notable For
- Being defined by RFC 9111, the most recent standard for HTTP Caching.
- Supporting multilingual documentation, including English and German Wikipedia pages.
- Being part of the broader cache computing class, which includes web caches.
- Having a distinct Google Knowledge Graph ID (/g/122wh4vp) for identification.
- Being referenced in both RFC 7234 and RFC 9111, with the latter being the preferred source.

## Body
### Definition and Classification
HTTP Caching is a specialized form of caching that stores web documents temporarily to improve performance. It is a subclass of the general computing component known as a cache, which stores data to serve future requests faster.

### Standards and Documentation
The most recent standard for HTTP Caching is RFC 9111, which updates the original RFC 7234. The concept is documented in multiple languages, including English and German Wikipedia pages.

### Usage and Implementation
HTTP Caching is primarily used for web caching, where web documents are stored temporarily to reduce latency and server load. It is part of the Hypertext Transfer Protocol (HTTP/1.1) standards.

### Identification and References
HTTP Caching is identified by the Google Knowledge Graph ID /g/122wh4vp. It is also referred to by aliases such as "cache HTTP" and "cachage HTTP."