You specify the principal URL since the search engine may have problems determining which a person must be the first URL.  The next tutorial will tell you about how you can help Canonical URLs in Prestashop one.five. Redirect into the canonical URL. A given PrestaShop website page may have https://addons.prestashop.com/ru/seo-natural-search-engine-optimization/31857--rich-snippets-json-ld-opengraph-seo.html