SEO Tools

Canonical URL Checker

Use Canonical URL Checker to check the canonical link element in page HTML. The tool produces a canonical URL report. Missing canonical tags are flagged as warnings.

Free SEO analysis No sign-up required Instant results

How to use it

  1. 1 Paste the HTML source of a page into the input panel.
  2. 2 Click Check HTML to run the analysis in your browser.
  3. 3 Review the report sections.
  4. 4 Export as JSON or copy the summary.

Use cases

  • Audit on-page SEO before publishing or updating a page
  • Check social sharing metadata before a campaign
  • Verify heading structure and schema markup after a CMS change

Limitations

  • JavaScript-rendered content is not evaluated — only the static HTML response is analysed.
  • Paste the raw HTML source. Relative paths may not resolve correctly without the original base URL.
  • Missing canonical tags are flagged as warnings.

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FAQ

Does Canonical URL Checker upload my data?

Your file or text is processed in your browser and is not uploaded.

What does Canonical URL Checker check?

It produces a canonical URL report. Missing canonical tags are flagged as warnings.

Does this replace Google Search Console?

No. This tool reads static HTML and provides a quick informational check. For authoritative indexing data and crawl reports, use Google Search Console.