You may pressure to incorporate "http" or "https" before the canonical URL (to stay away from copy between the http and https Variation of a web site). Ex: if you end up picking to power https to the canonical URL, the canonical URL on the website page will likely be https://addons.prestashop.com/ru/seo-natural-search-engine-optimization/31857--rich-snippets-json-ld-opengraph-seo.html