Canonical URL Checker
Free canonical URL checker. Find a page's rel=canonical tag and check it's absolute, unique and matches the final URL after redirects.
About the Canonical URL Checker
A canonical tells search engines which URL to index when the same content is reachable at several addresses. A missing, relative, duplicated or mismatched canonical splits ranking signals.
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Is the Canonical URL Checker free?
Yes. The Canonical URL Checker is completely free, with no account, trial or credit card. To keep it fast for everyone, each visitor gets a fair-use rate limit.
Do you store what I check?
No. Our server fetches the URL or domain you enter, sends the result back to your browser and doesn't keep it. We only fetch public addresses.
What should I do after using it?
Fix what it found, then launch your product on ShipX: a free launch gives you a permanent product page with a dofollow link back to your site. Launch on ShipX
Ready to launch?
Launch free on ShipX and get a permanent product page with a dofollow link to your site. No audience required.