When you have many language or region variations that you simply mark up with hreflang, then Every of those versions must have a canonical tag pointing to alone. 2nd, If the articles is available by using several URLs, other web pages could link to unique URLs when citing the content https://bookmarks-hit.com/story19582522/how-much-you-need-to-expect-you-ll-pay-for-a-good-balises-hreflang-automatiques-et-balises-canoniques-seo