In case you have numerous language or place versions that you just mark up with hreflang, then each of those versions should have a canonical tag pointing to itself. En muchas ocasiones, en las tiendas on line se generan URLs que expresan filtros y códigos de seguimiento, en los cuales https://addons.prestashop.com/de/seo-suchmaschinenranking-optimization/31857-automatische-google-rich-snippets-json-ld-opengraph-seo.html