Canonicalization
Canonicalization is the technical SEO process of selecting the single best, most authoritative URL when multiple pages on a domain contain identical or highly similar content. Search engines despise duplicate content because it forces them to waste crawl budget and splits link equity across competing pages. Canonicalization solves this by consolidating ranking signals. Whether through 301 redirects, canonical tags, or parameter handling in Google Search Console, enforcing strict canonicalization ensures the algorithm only indexes and ranks the exact commercial page you want users to see.
Canonicalization Simplified
Canonicalization is the process of telling Google which version of a page is the “master copy.” If you have three pages with the exact same information, canonicalization ensures Google only ranks the main one, instead of getting confused and ignoring all three.