Search engines like google and yahoo don’t index 4XX pages given that they don’t do the job. As a result, they’ll disregard any canonical tags pointing to these kinds of pages and infrequently wind up indexing the incorrect (non-canonical) version of your webpage. Next likelihood: Disable this preference. When the "Blue" https://bookmarkusers.com/story18642645/not-known-factual-statements-about-automatic-hreflang-tags-canonical-tags-all-pages-seo