- Module performs with out producing any improve in the present PrestaShop file in order that current customization and topic transform don't influence. In the first situation, to test the web page you need to Look at the canonical tag for, you’ll need to open the URL Inspection Device, enter https://addons.prestashop.com/es/seo-posicionamiento-buscadores/30904-etiquetas-automaticas-hreflang-canonical-etiquetas-seo.html