JSON-LD for Product Comparisons: How to Win Rich Snippets in Google

If you build product comparison pages and you're not using JSON-LD, you're leaving traffic on the table. Rich snippets — star ratings, price ranges, review counts displayed directly in Google results — can boost click-through rates by 30% or more. And for comparison pages, structured data is especially powerful because it tells Google exactly what two products are being compared and how. At SmartReview, structured data is a core part of every comparison page we generate. Here's exactly how we implement it. Why JSON-LD for Comparisons? Google supports several structured data formats, but JSON-LD is the recommended approach. It's: Non-invasive — lives in a <script> tag, doesn't clutter your HTML Easy to template — generate it from your data model Well-documented — Schema.org has clear specs for Product, Review, and AggregateRating For comparison pages specifically, JSON-LD lets you: Declare both products with their specs and ratings Surface aggregate review data from multiple sourc