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Vary header parse

Understand cache key dimensions from Vary.

Client
1. Accept-Encoding
2. User-Agent
3. Accept-Language
(3 dimension(s) · cache may vary per combination)

Nearby workflows on Toolcore

  • Cache-Control parseParse Cache-Control directive list. when headers, identifiers, or reference tables need a sibling check.
  • HTTP headersCommon request and response header fields—names, direction, and short summaries—filterable client-side. when headers, identifiers, or reference tables need a sibling check.
  • HTTP fetch testSend GET/POST and other methods from your browser—see status and body; CORS limits apply. when headers, identifiers, or reference tables need a sibling check.
  • cURL command parserParse curl CLI snippets into method, URL, headers, and body—local best-effort helper for API debugging. when headers, identifiers, or reference tables need a sibling check.

Common use cases

  • Vary header parse for quick local checks without uploading data.
  • Copy results into tickets, docs, or classroom notes.

Common mistakes to avoid

  • Unexpected input shape

    See the intro and how-to notes for accepted formats.

FAQ

Is processing local?

Yes—this runs entirely in your browser.

Agent prefill?

Use q or qb for the main text field when supported.

Related utilities you can open in another tab—mostly client-side.