So as to add a meta search phrase, click the field and validate by pressing "Return". You are able to get rid of tags by clicking the cross. Canonical URLs are utilised to prevent replicate written content and to point to search engines like google and that is the “original” https://addons.prestashop.com/ru/seo-natural-search-engine-optimization/31857--rich-snippets-json-ld-opengraph-seo.html