You specify the main URL because the internet search engine could have issues determining which 1 needs to be the first URL.  The next tutorial will show you ways to permit Canonical URLs in Prestashop one.five. By default, PrestaShop's deep URLs (that is, specific pages in lieu of on-line https://addons.prestashop.com/ru/seo-natural-search-engine-optimization/31857--rich-snippets-json-ld-opengraph-seo.html