What is Canonical URL Builder?
Canonical URL Builder helps you create proper canonical link tags to prevent duplicate content issues. Enter your URL and the tool generates the correct canonical tag format, helping search engines understand which version of a page is the primary one.
Common Use Cases
Duplicate Content
Resolve duplicate content issues from URL parameters, www/non-www, or HTTP/HTTPS variations.
Pagination
Set canonical URLs for paginated content to consolidate ranking signals.
Product Variants
Canonicalize product pages with different color or size parameters to the main product page.
Cross-Domain
Use cross-domain canonicals when content is syndicated or republished.
How to Use This Tool
- Enter the preferred canonical URL
- Choose whether to include or exclude trailing slashes
- Select HTTP or HTTPS protocol
- Generate the canonical link tag
- Add the tag to your page head section
Frequently Asked Questions
What is a canonical URL?
A canonical URL is the preferred version of a page that you want search engines to index when multiple URLs have similar or identical content.
Should I self-reference canonical tags?
Yes, it is best practice to include a self-referencing canonical tag on every page to prevent issues from URL parameters or variations.
Can canonical tags be cross-domain?
Yes, canonical tags can point to a different domain. This is useful when content is syndicated or republished with permission.
Is canonical a directive or a hint?
Canonical is a strong hint to search engines, but they may choose to ignore it if the pages seem very different or if there are conflicting signals.