Following reading this guidebook, we hope there is a far better idea of what hreflang is, why you need it, and how you can put into practice it.  If none of these are utilised, Google will rely upon other signals like hreflang, inside links, and URL size to settle on https://addons.prestashop.com/pl/seo-pozycjonowanie-naturalne/31857-automatyczne-google-rich-snippets-json-ld-opengraph-seo.html