Google: duplicate canonical tags are the same as no canonical tags

Google’s John Mueller said on Twitter that having two canonical tags with different URLs on the same page is the same as having an undefined canonical tags:

How to check the canonical tags on your website

Use the website audit tool in SEOprofiler to check the canonical tags on your web pages. The website audit tool checks many more things and it helps you to ensure that your web pages get the best rankings:

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Johannes Selbach

Johannes Selbach is the CEO of SEOprofiler. He blogs about search engine optimization and website marketing topics at "http://blog.seoprofiler.com".