This is quite handy, thanks! I'm in the whole process of starting the JSON-LD Schema for article content on my site and this tutorial will come in extremely helpful to make it happen the ideal way. Choose Google Research, Schema.org, Open Graph or Twitter schema markup from the menu. Following https://addons.prestashop.com/nl/seo-zoekmachineoptimalisatie-vermelding/31857-automatische-google-rich-snippets-json-ld-opengraph-seo.html