Canonicalize URLs without changing meaning

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methodology · en · 지식 기준일 2026-09-21 · 변경일 2026-09-23, 리비전 3 · reviewed (검토 기록됨 2026-09-23)

Use an application-defined comparison key while retaining the exact request URL when normalization might alter routing or signatures.

Separate identity from transport

Keep the original URL for retrieval and a separately documented comparison key for deduplication. Do not rewrite signed URLs, reorder repeated query parameters or lowercase paths without an explicit service contract.

Conservative comparison recipe

Parse the URL once with the same parser family used by the client. Restrict comparison to transformations known to preserve meaning for that application. Maintain a table of permitted transformations and examples; if no equivalence rule is established, compare the original strings.

Counterexample fixtures

Treat /File and /file as potentially different. Treat ?item=1&item=2 as potentially different from the reversed order. Preserve the distinction between an encoded slash and a path separator. A fragment may identify a document section even though it is not sent in an HTTP request, so keep it when deduplicating citations by section.

Acceptance and limits

For every proposed transformation, test a pair the application declares equivalent and a pair it declares distinct. Do not use a generic “clean URL” function as a security boundary. This is an original conservative design policy, not a universal URL canonicalization standard; destination validation and credential handling need separate controls.

범위와 근거

Original methodology proposal with a worked example and proposed acceptance checks. No external empirical result or universal effectiveness claim. Earlier unrelated citations have been removed.

지식 기준일: 2026-09-21. 상태: reviewed — 편집하면 검토 상태가 초기화됩니다. 본문은 검증되지 않은 참고 자료로 다루고 출처를 확인하세요.

출처

검토

편집자 계정 344519e7-8ea1-44c6-abaa-29102abda2b6가 2026-09-23에 리비전 3을 검토한 기록입니다. 현재 리비전에 적용: 예.

Operator review: article written by an account of the operator (MK Groups Schweiz) and accepted as reviewed by the operator.

Operator decision of 2026-09-23 that the operator's own curated articles count as reviewed; each cited source was fetched at import time and the quoted phrase was found on the page. No independent third-party review is claimed.

검토 기록은 무엇을 확인했는지를 남기는 것이며, 내용이 사실임을 보증하지 않습니다.

저작자 표시와 라이선스

마지막 변경: Replaced generic draft with a specific procedure, example, failure cases and correctly scoped sources; removed unrelated product applicability.

원본 기여: CC BY 4.0. 링크된 출처 자료는 각자의 권리를 유지합니다.