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Canonical Tag Generator

Duplicate URLs — uppercase variants, tracking parameters, with/without trailing slash — split your ranking signals across copies of the same page. A correct rel=canonical consolidates them. This generator normalizes your URL (lowercase, parameters stripped, slash policy applied) and emits the exact link tag.

Canonical URL (the preferred version)

Lowercase the URLStrip query parametersForce trailing slash

Generated output

— fill in the fields above —

The canonical must be absolute, self-referencing on the preferred version, and consistent with your sitemap and internal links. Inconsistent canonicals are one of the most common technical SEO audit findings.

How to Use the Canonical Tag Generator

1Paste the preferred URL for the page.
2Choose normalization: lowercase, strip queries, trailing slash.
3Copy the generated <link rel="canonical"> into the page <head>.
4Use the same canonical URL in your sitemap and internal links.

Frequently Asked Questions

What does a canonical tag do?

It tells search engines which URL is the master version when several URLs serve the same content, consolidating link equity and preventing duplicate-content dilution.

Should every page have a canonical tag?

Yes — a self-referencing canonical on every indexable page is best practice. It defends against parameter duplicates and scrapers by default.

Canonical vs 301 redirect — which should I use?

Use a 301 when the duplicate URL shouldn't exist for users at all. Use a canonical when both URLs must keep working (e.g. filtered or tracked variants) but only one should rank.

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