It’s not likely you’ll ever develop site versions concentrating on all languages and locations. In some cases, you’ll want to offer Google an indication of what do to when a given location or language isn’t readily available or doesn’t exist. An x-default tag will be the URL that Google shows. https://ticketsbookmarks.com/story18690290/a-review-of-automatyczne-tagi-hreflang-i-tagi-kanoniczne-seo