- 110 (warn-code) - Section 5.5.1
- 111 (warn-code) - Section 5.5.2
- 112 (warn-code) - Section 5.5.3
- 113 (warn-code) - Section 5.5.4
- 199 (warn-code) - Section 5.5.5
- 214 (warn-code) - Section 5.5.6
- 299 (warn-code) - Section 5.5.7
- age - Section 4.2
- Age header field - Section 5.1
- cache - Section 1
- cache entry - Section 2
- cache key - Section 2
- Cache-Control header field - Section 5.2
- Disconnected Operation (warn-text) - Section 5.5.3
- Expires header field - Section 5.3
- explicit expiration time - Section 4.2
- fresh - Section 4.2
- freshness lifetime - Section 4.2
- Grammar:
- Age - Section 5.1
- Cache-Control - Section 5.2
- cache-directive - Section 5.2
- delta-seconds - Section 1.2.1
- Expires - Section 5.3
- extension-pragma - Section 5.4
- Pragma - Section 5.4
- pragma-directive - Section 5.4
- warn-agent - Section 5.5
- warn-code - Section 5.5
- warn-date - Section 5.5
- warn-text - Section 5.5
- Warning - Section 5.5
- warning-value - Section 5.5
- Heuristic Expiration (warn-text) - Section 5.5.4
- heuristic expiration time - Section 4.2
- max-age (cache directive) - Sections 5.2.1.1 and 5.2.2.8
- max-stale (cache directive) - Section 5.2.1.2
- min-fresh (cache directive) - Section 5.2.1.3
- Miscellaneous Persistent Warning (warn-text) - Section 5.5.7
- Miscellaneous Warning (warn-text) - Section 5.5.5
- must-revalidate (cache directive) - Section 5.2.2.1
- no-cache (cache directive) - Sections 5.2.1.4 and 5.2.2.2
- no-store (cache directive) - Sections 5.2.1.5 and 5.2.2.3
- no-transform (cache directive) - Sections 5.2.1.6 and 5.2.2.4
- only-if-cached (cache directive) - Section 5.2.1.7
- Pragma header field - Section 5.4
- private (cache directive) - Section 5.2.2.6
- private cache - Section 1
- proxy-revalidate (cache directive) - Section 5.2.2.7
- public (cache directive) - Section 5.2.2.5
- Response is Stale (warn-text) - Section 5.5.1
- Revalidation Failed (warn-text) - Section 5.5.2
- s-maxage (cache directive) - Section 5.2.2.9
- shared cache - Section 1
- stale - Section 4.2
- strong validator - Section 4.3.4
- Transformation Applied (warn-text) - Section 5.5.6
- validator - Section 4.3.1
- Warning header field - Section 5.5