Web & SEO

Canonical Tag Checker

Compare a page URL and canonical URL to spot self, cross-domain, and mismatched canonicals.

Browser-onlyInstant outputLocal data

Canonical verdict

Self canonical

Why use this tool

03

Review canonical relationships and generate the link tag snippet you need to publish.

Use this when auditing canonical relationships or preparing metadata for a page template.

It highlights whether the canonical points to the same page, another page, or another domain.

How to use

02
01Enter the page URL and intended canonical URL.
02Review the verdict and the generated canonical tag.

Quick checks before you copy

03

Confirm the input is the format you intended.

Scan the result before using it in a document, URL, config, or message.

Copy only the output you need.

FAQ

01
Does this fetch a live page?

No. It checks the URLs you enter and generates the tag snippet locally.

Related tools

03

SEO Preflight Workspace

Run page launch checks for title, description, canonical, robots, sitemap, and hreflang in one workspace.

Snippet Workspace

Plan search and social snippets together, then hand off one clean meta tag bundle.

Canonical Tag Checker — Compare a page URL and canonical URL to spot self, cross-domain, and mismatched canonicals | TOOLGRID