It’s not likely you’ll ever generate site variations focusing on all languages and locations. In some cases, you’ll require to offer Google a sign of what do to any time a given locale or language isn’t out there or doesn’t exist. An x-default tag would be the URL that Google https://www.presta-addons-modules.com/en/seo/prestashop-seo-automatic-google-rich-snippets-json-ld-opengraph-twitter-tags-schemaorg.html