How to fix invalid rating value on Webflow

Steps for Webflow

1. Webflow does not inject AggregateRating structured data automatically — it must be added manually via an Embed element or custom code.
2. Open the product template page in the Webflow Designer (CMS → Products → open the product template).
3. Locate any HTML Embed element containing JSON-LD structured data. Find the ratingValue field.
4. Replace any hardcoded value (especially 0) with a CMS-bound dynamic field: click the Embed element, open the field binding picker, and connect ratingValue to a Number field in your Products CMS collection that stores the actual average rating.
5. Add a conditional visibility rule (using Webflow's Conditional Visibility or a surrounding Collection List) so the entire AggregateRating block is only rendered when the review count field is greater than 0.
6. Publish the site and test in the Google Rich Results Test.

What is invalid rating value?

Structured data is hidden code on your product pages that tells search engines facts about your store — things like star ratings, prices, and product names. The `AggregateRating` block specifically communicates your average customer rating. The `ratingValue` field inside that block must be a real number (e.g. 4.3) that falls between the declared minimum and maximum rating values — typically 1 to 5. When it is missing, set to 0, left blank, or formatted incorrectly, search engines consider the entire rating block invalid.

A valid `AggregateRating` is what earns you gold star snippets in Google Search results — those eye-catching stars visible directly on the results page before a shopper even clicks. Stores with star snippets consistently see higher click-through rates, which drives more organic traffic and sales. An invalid or zero `ratingValue` means Google ignores your rating markup entirely, stripping those stars from your listing and handing the visual advantage to competitors. For Answer Engine Optimisation (AEO), valid rating structured data also influences how AI-powered answer engines and shopping assistants surface and rank your products in direct answers.

See the complete Invalid rating value guide for every platform and the full background.