It’s unlikely you’ll ever build web page variations targeting all languages and regions. Occasionally, you’ll need to have to give Google a sign of what do to any time a provided location or language isn’t readily available or doesn’t exist. An x-default tag will be the URL that Google displays.  https://top10bookmark.com/story18661027/5-tips-about-prestashop-hreflang-canonical-tags-you-can-use-today