You specify the principal URL since the search engine could have issue pinpointing which 1 need to be the first URL.  The subsequent tutorial will tell you about the best way to allow Canonical URLs in Prestashop one.5. Redirect into the canonical URL. A specified PrestaShop website page can https://ok-social.com/story4694193/not-known-details-about-automatic-hreflang-tags-canonical-tags-all-pages-seo