Gated-execute on Where ten HTTP header fields are defined

Perfect! I have now collected all the information needed. Let me compile my findings:

Summary

I have researched each HTTP header field and found the RFC that currently defines it, along with the specific section and a direct quote from that section. Here are my findings:

1. Age - Defined in RFC 9111 (HTTP Caching), Section 5.1
2. Cache-Control - Defined in RFC 9111, Section 5.2
3. Expires - Defined in RFC 9111, Section 5.3
4. Last-Modified - Defined in RFC 9110 (HTTP Semantics), Section 8.8.2
5. ETag - Defined in RFC 9110, Section 8.8.3
6. Location - Defined in RFC 9110, Section 10.2.2
7. Retry-After - Defined in RFC 9110, Section 10.2.3
8. Vary - Defined in RFC 9110, Section 12.5.5
9. Strict-Transport-Security - Defined in RFC 6797, Section 6.1
10. Link - Defined in RFC 8288, Section 3

These are the current, non-obsoleted RFCs that define each header field. RFC 9111 and RFC 9110 are the modern consolidated versions of the earlier HTTP/1.1 specifications, while RFC 6797 covers HSTS and RFC 8288 covers web linking.

{"answers":[{"field":"Age","rfc":"9111","section":"5.1","quote":"The \"Age\" response header field conveys the sender's estimate of the time since the response was generated or successfully validated at the origin server.","url":"https://www.rfc-editor.org/rfc/rfc9111.html"},{"field":"Cache-Control","rfc":"9111","section":"5.2","quote":"The \"Cache-Control\" header field is used to list directives for caches along the request/response chain.","url":"https://www.rfc-editor.org/rfc/rfc9111.html"},{"field":"Expires","rfc":"9111","section":"5.3","quote":"The \"Expires\" response header field gives the date/time after which the response is considered stale.","url":"https://www.rfc-editor.org/rfc/rfc9111.html"},{"field":"Last-Modified","rfc":"9110","section":"8.8.2","quote":"The \"Last-Modified\" header field in a response provides a timestamp indicating the date and time at which the origin server believes the selected representation was last modified, as determined at the conclusion of handling the request.","url":"https://www.rfc-editor.org/rfc/rfc9110.html"},{"field":"ETag","rfc":"9110","section":"8.8.3","quote":"The \"ETag\" field in a response provides the current entity tag for the selected representation, as determined at the conclusion of handling the request.","url":"https://www.rfc-editor.org/rfc/rfc9110.html"},{"field":"Location","rfc":"9110","section":"10.2.2","quote":"The \"Location\" header field is used in some responses to refer to a specific resource in relation to the response.","url":"https://www.rfc-editor.org/rfc/rfc9110.html"},{"field":"Retry-After","rfc":"9110","section":"10.2.3","quote":"Servers send the \"Retry-After\" header field to indicate how long the user agent ought to wait before making a follow-up request.","url":"https://www.rfc-editor.org/rfc/rfc9110.html"},{"field":"Vary","rfc":"9110","section":"12.5.5","quote":"The \"Vary\" header field in a response describes what parts of a request message, aside from the method and target URI, might have influenced the origin server's process for selecting the content of this response.","url":"https://www.rfc-editor.org/rfc/rfc9110.html"},{"field":"Strict-Transport-Security","rfc":"6797","section":"6.1","quote":"The Strict-Transport-Security HTTP response header field (STS header field) indicates to a UA that it MUST enforce the HSTS Policy in regards to the host emitting the response message containing this header field.","url":"https://www.rfc-editor.org/rfc/rfc6797.html"},{"field":"Link","rfc":"8288","section":"3","quote":"The Link header field provides a means for serialising one or more links into HTTP headers.","url":"https://www.rfc-editor.org/rfc/rfc8288.html"}]}