Maximum rating [maxRating]

On this page

• When to use
• Format
• Minimum requirements

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When to use

Optional

Required if you use the Rating [rating]attribute

Use the maximum rating [maxRating] attribute to define the highest possible rating for your CSS product review scale. This is required when using rating [rating] attribute to ensure your product ratings are properly normalized for displaying on Google surfaces and can be used to influence ranking signals for free listings.

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Format

Follow these formatting guidelines to make sure Google understands the data you're submitting. Learn when and how to submit your product data in English.

Formatting specifications
Technical name	maxRating
Type	String (int64 format)
Repeated field	No
Schema.org property (What’s this?)	No

To format your data for CSS API, go to the CSS API for Shopping resource.

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Minimum requirements

• The Maximum rating [maxRating] must be higher than the Minimum rating [minRating] and rating [rating].
• Require the rating [Rating], minimum rating [minRating],and the number of reviews [reviewCount] to be used.
• When submitted, you can leverage CSS customized ranking signals