HeaderDirectionCategoryUse / note
AcceptRequestContent negotiationMedia types the client can understand
Accept-EncodingRequestContent negotiationCompression algorithms accepted by the client
Accept-LanguageRequestContent negotiationPreferred natural languages
AuthorizationRequestAuthenticationCredentials for authenticating the request
Cache-ControlBothCachingCaching directives for requests or responses
Content-TypeBothRepresentationMedia type of the request or response body
Content-LengthBothRepresentationBody size in bytes
CookieRequestStateCookies sent by the browser

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HTTP Header Reference

Search common HTTP request and response headers by category and purpose. Search rows quickly with a compact table UI.

How to use this reference

HTTP Headers Reference: Search by keyword, protocol, code, permission, extension, or command. Copy a single row or the filtered result set for notes, tickets, configuration checks, or documentation drafts.

Usage boundaries and result checks

HTTP Headers Reference is for this task: Search common HTTP request and response headers by category and purpose. It runs in the browser; start with a short, non-sensitive sample and confirm the behavior before processing more data.

Best use

Use it for a focused HTTP Headers Reference task when a quick browser workbench is appropriate.

Input

a keyword, code, extension, permission, header, or command name

Output

filterable reference rows that can be copied into notes

Before reuse

For HTTP Headers Reference: Treat the table as a lookup aid. Confirm version-sensitive details in the linked official source before implementation. See the test method.