Canonical URL
The officially preferred version of a page when multiple similar URLs exist — declared in a canonical link tag.
Updated September 19, 2026
Canonical URL, explained in plain English
If your page is reachable at several URLs (with/without trailing slash, with tracking parameters), the canonical tag tells search engines which one to index and count. Without it, similar pages can dilute each other. Every important page should declare exactly one canonical URL — including yours.
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