You are able to power so as to add "http" or "https" ahead of the canonical URL (to avoid duplicate between the http and https version of a website). Ex: if you end up picking to power https for that canonical URL, the canonical URL of the page will probably https://addons.prestashop.com/fr/seo-referencement-naturel/31857-seo-automatique-google-rich-snippets-json-ld-open-graph.html