It’s unlikely you’ll ever generate website page versions targeting all languages and areas. In some cases, you’ll want to present Google a sign of what do to any time a offered place or language isn’t accessible or doesn’t exist. An x-default tag would be the URL that Google shows.  Módulos https://www.presta-addons-modules.com/en/opencart-seo-automatic-google-rich-snippets-json-ld-integration-opengraph-twitter-tags-schemaorg.html