Google Structured Data for WooCommerce: Keep Google happy by providing product info in a form it can easily read https://www.damiencarbery.com/2019/04/google-structured-data-for-woocommerce/

wc-add-google-structured-data.php

<?php
/*
Plugin Name: Google Structured Data for WooCommerce
Plugin URI:  https://www.damiencarbery.com/2019/04/google-structured-data-for-woocommerce/
Description: Add Google Structured Data to WooCommerce products. Asked in: https://www.facebook.com/groups/genesiswp/permalink/2358845040833346/
Author: Damien Carbery
Version: 0.1
*/

add_action( 'woocommerce_before_single_product_summary', 'dcwd_add_wc_structured_data' );
function dcwd_add_wc_structured_data() {
	$product = wc_get_product( get_the_ID() );
	
?>
<!-- JSON-LD markup generated by Google Structured Data Markup Helper. -->
<script type="application/ld+json">
{
  "@context" : "http://schema.org",
  "@type" : "Product",
  "name" : "<?php echo $product->get_name(); ?>",
  "image" : "<?php echo get_the_post_thumbnail_url( $product->get_id(), 'full' ); ?>",
  "description" : "<?php echo $product->get_short_description(); ?>",
  "brand" : {
    "@type" : "Brand",
    "name" : "<?php echo $product->get_name(); ?>"
  },
  "offers" : {
    "@type" : "Offer",
    "price" : "<?php echo $product->get_price(); ?>"
  }
}
</script>
<?php
}