To add a meta key word, click the field and validate by pressing "Return". You'll be able to take away tags by clicking the cross. The provided SQL scripts demonstrate how to include columns to the ps_product and ps_customer tables. These queries are executed at the time to prepare the https://addons.prestashop.com/en/seo-natural-search-engine-optimization/31857-automatic-google-rich-snippets-json-ld-open-graph-seo.html