Canonicalization is loosely connected to search rankings, but would it be a stretch to call it a ranking factor? In addition to telling Google which URL to show in search results, some believe that the rel=“canonical” tag can forward ranking signals from one page to another. The Evidence: Canonicalization (rel=”canonical”) As A Ranking FactorGoogle’s official guide to advanced SEO has a whole chapter about using canonicalization to consolidate duplicate URLs. Canonicalization As A Ranking Factor: Our VerdictCanonicalization is confirmed to have a connection with search rankings, but that doesn’t mean it’s a ranking factor. The rel=”canonical” tag is more of a suggestion than a directive – and definitely not a factor for rankings.