Markup is often conveniently checked via schema markup tests Resource. It requires a while for rich snippets to seem in search results, so they is probably not displayed quickly. However, product and group rich snippets will seem only immediately after Google indexes the content. PrestaShop is an open-source e-commerce System https://pr7bookmark.com/story19605328/presets-schema-shopify-things-to-know-before-you-buy