The tag won't disguise precise replicate content that maybe you have on your site, such as equivalent solution descriptions for different things. Google will only study by means of your hreflang tag that material “a” is actually a translation of written content “b.” Your x-default mustn't stage in your English https://addons.prestashop.com/de/seo-suchmaschinenranking-optimization/30904-automatische-hreflang-tags-und-kanonische-tags-seo.html