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Canonical Tag (rel=canonical)

A tag identifying the preferred URL among duplicate or substantially similar pages. Learn how it works and what to consider in practice.

Technical SEO & Web Infrastructure

캐노니컬 태그

The rel=canonical annotation identifies the representative version when content appears under tracking parameters, capitalization variants or mixed HTTP and HTTPS addresses. It helps consolidate signals, including backlinks, at the preferred URL. Use an absolute address, such as https://example.com/page , and ensure the target exists and represents the intended content. Incorrect targets can cause indexing problems rather than resolve duplication.

Business applications and impact#

Clarifies duplicate content and consolidates link signals around a representative URL.

Implementation guidance and considerations#

Use absolute URLs and appropriate self-referencing canonical annotations.

Indexing

색인

The process of analyzing retrieved web pages and storing their information in a search engine's index.

Duplicate Content

중복 콘텐츠

Identical or substantially similar content available at multiple URLs within or across domains.

Backlink

백링크

An inbound link from an external website referencing a page on your website.

Urchin Tracking Module Parameters

UTM 파라미터

Standard campaign parameters such as utm_source, utm_medium and utm_campaign that identify acquisition sources in analytics.

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