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Canonical Tag Generator

Generate canonical link tags and related alternates (mobile / AMP) to consolidate duplicate URLs and avoid SEO dilution.

Canonical URL

Will be normalized: HTTPS, lowercase, no trailing slash, no fragment.

Normalized:
https://Example.com/About-Us
Alternates (optional)
Diagnostics
  • ✓HTTPS ✓
  • !URL contains uppercase letters — canonical URLs should be lowercase.
Generated tags
<link rel="canonical" href="https://Example.com/About-Us">
<link rel="alternate" media="only screen and (max-width: 640px)" href="https://m.example.com/about-us">

Place these in the <head> of the page. Only one canonical tag per page.

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