Feed plugins send whatever your products contain. When a product has no image, no price, no description, no brand or no GTIN, Merchant Center and Meta disapprove or limit it, and you find out days later in a diagnostics screen. Checking the products themselves finds the problems before the feed does.
Free tool: Check your store's products against what Google and Meta need, no plugin or login
Reads the store's public product data and a few product pages. A WordPress plugin version is in review.
Since WooCommerce 9.2 there's a built-in GTIN, UPC, EAN or ISBN field on each product, and recent versions include a built-in Brands taxonomy. Older stores often use a GTIN or brand plugin, or the feed plugin's own fields. Whatever you use, check that your feed plugin reads the same field.
Google also reads the Product structured data on each product page. If it has no brand or GTIN, Google can't match the page to your feed item as well; your SEO or feed plugin usually controls that output.
Feed and catalog plugins update often, and support forums show updates that stop syncs or break the admin. After each update, re-check a few products in your feed preview and Merchant Center diagnostics.
Free tool: Check your store's products against what Google and Meta need, no plugin or login
Reads the store's public product data and a few product pages. A WordPress plugin version is in review.
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