The prestashop addon helps to apply search engine optimization of your online store by including automatic hreflang, and canonical tags. - Supply increased information to search engines to boost their understanding of your business and of the content on your website. Now you must include the properties of the selected https://www.presta-addons-modules.com/en/front-office/prestashop-scrolling-info-based-on-selected-category-and-language.html