How to Get Star Ratings in Google: Review Schema for Ecommerce

1 min read

Those star ratings you see under some Google listings? They come from review schema markup — specifically the aggregateRating property in Product schema. Getting them to show can increase your click-through rate by 20-30%.

What Google Needs to Show Stars

Google shows star ratings when your Product schema includes a valid aggregateRating object with: ratingValue (the average rating), reviewCount or ratingCount (how many ratings), and bestRating (usually 5). You also need actual reviews — Google won't show stars if your aggregateRating is based on zero reviews.

Setting Up Review Schema on Shopify

If you use a review app (Judge.me, Loox, Stamped), most inject aggregateRating into your Product schema automatically. Test by visiting Google's Rich Results Test. Key: The aggregateRating must be inside the same Product schema block as your product name, price, and availability — not in a separate JSON-LD block.

Setting Up Review Schema on WooCommerce

WooCommerce has built-in reviews. If you use Yoast SEO, it automatically includes aggregateRating in Product schema when reviews exist. For third-party review plugins, check if they integrate with your SEO plugin's schema or inject their own. Duplicate aggregateRating confuses Google. Important: Google prohibits marking up reviews not directly on the page.

Troubleshooting Missing Stars

Stars not showing? Common reasons: **Not enough reviews:** Google may not show stars for products with very few reviews (typically under 5). **Schema not valid:** Test at the Rich Results Test. **Page not indexed:** Google needs to recrawl after you add schema. Takes 2-4 weeks. **Google's discretion:** Even with valid schema, rich results aren't guaranteed. RankRipper checks for aggregateRating in your Product schema and flags when it's missing or malformed.

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