- Module is effective without the need of building any alter in the existing PrestaShop file to ensure that current customization and concept change usually do not have an impact on. 11 min browse Even the most professional marketers and Web-site entrepreneurs make errors. But In terms of using canonical https://addons.prestashop.com/en/seo-natural-search-engine-optimization/30904-automatic-hreflang-tags-canonical-tags-all-pages-seo.html