You are able to force so as to add "http" or "https" ahead of the canonical URL (to stop duplicate amongst the http and https Model of an internet site). Ex: if you decide on to drive https with the canonical URL, the canonical URL with the page are going https://addons.prestashop.com/ru/seo-natural-search-engine-optimization/31857--rich-snippets-json-ld-opengraph-seo.html