Google Reveals the Signals Behind Canonical URL Selection | Spherical Coder News

In technical SEO, canonicalization is one of the most misinterpreted concepts. Google has to determine which version of a URL should show up in search results when they include identical or strikingly similar information. Google recently said that in order to select the preferred canonical URL, its system uses dozens of signals, totaling about 40. This realization clarifies the true complexity of the process and explains why merely adding a canonical tag does not always ensure the desired result.