canonical tag checker

about this tool

canonical tags are one of those technical seo elements that are easy to get wrong — and the consequences of getting them wrong can be significant. a missing canonical, a self-referencing one that points to the wrong url, or a canonical that creates a conflict can lead to duplicate content issues and confused search engine signals that dilute your rankings.

this free canonical tag checker lets you enter any url and instantly see whether a canonical tag is present, what url it points to, and whether it looks correct. it’s a fast way to audit individual pages or spot-check your site during a technical seo review.

it’s particularly useful for seo specialists, developers, and site owners working on larger sites where canonical tags are being used to manage url variations, paginated content, or syndicated articles. getting canonical tags right helps ensure that link equity flows to the correct pages and that search engines understand which version of a page you want to rank. a quick check with this tool can save you from some surprisingly impactful seo headaches.