Can a Canonical URL point to a different domain?

Yes, a Canonical URL can point to another domain when the publisher controls both sites and the pages intentionally represent the same content.

Does a Canonical URL remove duplicate pages from a website?

No, a Canonical URL does not remove duplicate pages. It provides a preferred indexing signal while the alternate pages remain available unless separate controls restrict access.

Should every webpage have a Canonical URL?

Most indexable webpages benefit from a clear canonical signal, including pages that have no obvious duplicate. The selected address should match the page's preferred public version.

Glossary

What Is a Canonical URL?

Canonical URL is the preferred address for a webpage when similar or duplicate versions exist. A website places a canonical signal in the page code to indicate which URL search engines should treat as the main version. The signal helps consolidate indexing and ranking signals without preventing other versions from being accessible.

Quick Facts About Canonical URL

Key Takeaways About Canonical URL

A canonical signal identifies one preferred URL among similar versions.
Canonicalisation guides search engines without redirecting website visitors.
A canonical URL is not the same as a redirect.

How Canonical URL Works

Hands hold a card reading “Canonical URL” over a desk with a laptop, gavel, glasses, and notebook

A Canonical URL appears as a preferred address in a webpage's canonical link element. Search engines can read that signal when several URLs show the same or closely related content. The preferred address should represent the version you want indexed and shown in search results.

Related glossary terms: Sitemap, Robots.txt, Internal Linking.

Common causes include tracking parameters, print versions, filtered pages, and alternative URL formats. The canonical signal does not remove other URLs or send visitors elsewhere. Google Search Console can help you inspect the URL selected by Google, while a sitemap can reinforce the preferred address. Canonicalisation works best when page content, internal links, redirects, and sitemap entries point consistently towards the same version.

Hands hold a pen over a paper that reads "CANONICAL URL" beside a laptop and coffee cup

Expert Note

When we review a site, we check canonical signals against the page content, internal links, redirects, and sitemap entries. Our team also looks for conflicting signals, such as a page naming another URL as canonical while internal links favour the current page.

Canonical URL in Practice: A Real-World Example

A Sydney law firm may publish a service page with tracking parameters in advertising URLs. The clean service-page address can be nominated as the Canonical URL, while visitors may still access the tracked versions.

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Related Terms

Sitemap

Sitemap is a file or page that lists the important URLs on a website and describes…

Robots.txt

A Robots.txt file is a plain-text instruction file that tells search engine crawlers which parts of…

Internal Linking

Internal Linking is the practice of connecting pages within the same website through clickable links. These…

Google Search Console

Google Search Console is a free Google service that helps website owners monitor how Google discovers…

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The information on this website is for general informational purposes only and is not legal advice, does not create an attorney-client relationship, and may not reflect current law in Sydney, New South Wales. Every situation is different; consult a licensed attorney about your specific matter. Prior results do not guarantee a similar outcome.