Only canonical URLs must be outlined in the sitemap, Even though Google states that doing this is really a weak canonicalization signal. Permit by default. If you permit this selection, new solutions will automatically be activated when you develop them. The difficulty “No canonical to HTTPS homepage from HTTP Edition” https://bookmarkunit.com/story18682381/5-easy-facts-about-balises-hreflang-automatiques-et-balises-canoniques-seo-described