Review Schema
Review Schema is structured data markup that communicates customer ratings and review information to search engines using Schema.org vocabulary. It can represent either an aggregate rating (average score and review count) or individual reviews, and is applied to products, services, businesses, and recipes.
When Google validates the markup, it may display star ratings alongside search results as rich snippets. This visual enhancement sets listings apart in a crowded SERP and signals social proof before users click. Review Schema must comply with Google's policies, requiring that reviews reflect genuine customer experiences.
Why it matters for SEO
Star ratings in search results are one of the most powerful visual cues available to e-commerce sites. Listings with visible aggregate ratings consistently outperform plain results in click-through rate, and the implied social proof can meaningfully increase conversion rates downstream.
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