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How can I use canonical tags in HTML to prevent duplicate content issues between similar URLs?

Asked on Sep 10, 2025

Answer

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Canonical tags are essential in HTML to inform search engines about the preferred version of a webpage, helping to prevent duplicate content issues across similar URLs. By specifying a canonical URL, you guide search engines to index the correct page.
Additional Comment:
  • Place the canonical tag within the section of your HTML document.
  • Ensure the canonical URL is the absolute URL of the preferred page version.
  • Use canonical tags on all pages with similar or duplicate content to point to the main version.
  • Canonical tags help consolidate link signals and prevent indexing of duplicate content.
  • Regularly audit your site to ensure canonical tags are correctly implemented and updated as needed.
✅ Answered with SEO best practices.
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