Cache-Control Header
The HTTP Cache-Control header defines directives controlling how browsers and intermediary caches store and reuse responses.
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The HTTP Cache-Control header defines directives controlling how browsers and intermediary caches store and reuse responses.
View definitionThe HTTP Content-Encoding header identifies compression or other content transformations applied to a response body.
View definitionCross-Origin Resource Sharing uses HTTP response headers to permit selected browser requests across different origins.
View definitionCross-site request forgery tricks a signed-in browser into performing an unwanted action on a trusted site.
View definitionCross-site scripting injects executable content into pages viewed by other users, potentially compromising browser sessions.
View definitionThe HTTP DELETE method requests removal of a resource's association at a server, subject to application authorization.
View definitionAn ETag is an HTTP response validator that lets clients check whether a resource has changed before downloading it again.
View definitionThe HTTP GET method retrieves a representation of a resource and is designed to be safe and idempotent.
View definitionThe HTTP HEAD method retrieves response headers equivalent to GET without transferring the response body.
View definitionHTTP caching stores reusable responses according to cache headers, validators, and freshness rules.
View definitionAn HTTP header is a field carrying metadata about a request or response, such as content type or caching rules.
View definitionHTTP keep-alive reuses a network connection for multiple requests instead of opening a connection each time.
View definitionAn HTTP method identifies the requested operation on a resource, such as GET, POST, PUT, PATCH, or DELETE.
View definitionAn HTTP persistent connection handles multiple requests over one transport connection to reduce connection overhead.
View definitionAn HTTP range request retrieves selected byte segments of a resource, useful for downloads and media seeking.
View definitionAn HTTP request specifies a method, target resource, headers, and optionally a body sent by a client.
View definitionAn HTTP response carries a status code, headers, and optionally a representation body returned by a server.
View definitionAn HTTP status code is a three-digit result indicating whether a request succeeded, redirected, or encountered an error.
View definitionHTTP/3 can use QUIC's 0-RTT resumption to reduce connection setup latency, subject to replay-related limitations.
View definitionA JSON Web Key represents cryptographic key parameters in JSON for verification, signing, or encryption systems.
View definitionThe Last-Modified HTTP header indicates a resource modification time and can support conditional requests.
View definitionOCSP stapling lets a TLS server provide a signed certificate-status response during the handshake.
View definitionThe HTTP OPTIONS method asks which communication options are supported for a resource or server.
View definitionThe HTTP PATCH method applies a set of partial changes to an existing resource.
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