Product Comparison Stack
Comparison pages listing products with ItemList, representative Product details, FAQs, and breadcrumb context.
When to use this stack
- Best-of or comparison pages that list multiple products side-by-side
- Category comparison pages needing structured list + product highlights
- Pages where FAQs address selection, compatibility, and returns
What is included
Identifies the page as a comparison/collection landing.
Structures the compared items with order and IDs.
Provides representative product data for featured items.
Answers selection, compatibility, and policy questions.
Provides navigation context within the site.
Properties across the bundle
Nested properties keep their parent path, such as offers.priceCurrency. Only publish values that match visible page content.
Required properties
- description
- image
- itemListElement[].item.@id
- itemListElement[].name
- itemListElement[].position
- mainEntity[].@type=Question
- mainEntity[].acceptedAnswer.text
- name
- offers.availability
- offers.price
- offers.priceCurrency
- url
Recommended properties
- aggregateRating.ratingValue
- aggregateRating.reviewCount
- brand.name
- itemListElement[].item
- itemListElement[].name
- itemListOrder
- mainEntity.@id
- mainEntity[].acceptedAnswer.text
- mainEntity[].author.name
- mainEntity[].name
- numberOfItems
- sku
Combined JSON-LD
Paste this as one script tag, then replace every example value with data from the live page.
[
{
"@context": "https://schema.org",
"@type": "CollectionPage",
"@id": "https://www.example.com/guides/best-wireless-headphones#collection",
"name": "Best Wireless Headphones",
"description": "Top wireless headphones compared by battery life, ANC, and comfort.",
"url": "https://www.example.com/guides/best-wireless-headphones",
"mainEntity": { "@type": "ItemList", "@id": "https://www.example.com/guides/best-wireless-headphones#list" }
},
{
"@context": "https://schema.org",
"@type": "ItemList",
"@id": "https://www.example.com/guides/best-wireless-headphones#list",
"itemListOrder": "https://schema.org/ItemListOrderDescending",
"numberOfItems": 3,
"itemListElement": [
{
"@type": "ListItem",
"position": 1,
"name": "ACME Ultra Wireless Headphones",
"item": { "@id": "https://www.example.com/products/ultra-headphones#product" },
"url": "https://www.example.com/products/ultra-headphones"
},
{
"@type": "ListItem",
"position": 2,
"name": "ACME Lite Wireless Headphones",
"item": { "@id": "https://www.example.com/products/lite-headphones#product" },
"url": "https://www.example.com/products/lite-headphones"
},
{
"@type": "ListItem",
"position": 3,
"name": "ACME Studio Wireless Headphones",
"item": { "@id": "https://www.example.com/products/studio-headphones#product" },
"url": "https://www.example.com/products/studio-headphones"
}
]
},
{
"@context": "https://schema.org",
"@type": "Product",
"@id": "https://www.example.com/products/ultra-headphones#product",
"name": "ACME Ultra Wireless Headphones",
"description": "Flagship over-ear Bluetooth headphones with ANC and 45-hour battery.",
"image": [
"https://www.example.com/images/ultra-headphones-front.webp"
],
"brand": { "@type": "Brand", "name": "ACME Audio" },
"offers": {
"@type": "Offer",
"price": "199.00",
"priceCurrency": "USD",
"availability": "https://schema.org/InStock",
"url": "https://www.example.com/products/ultra-headphones"
},
"aggregateRating": {
"@type": "AggregateRating",
"ratingValue": 4.7,
"reviewCount": 128
}
},
{
"@context": "https://schema.org",
"@type": "FAQPage",
"mainEntity": [
{
"@type": "Question",
"name": "Which headphones are best for commuting?",
"acceptedAnswer": {
"@type": "Answer",
"text": "The Ultra offers the best ANC and battery life for commuting; the Lite is lighter for short trips."
}
},
{
"@type": "Question",
"name": "Do all models support multipoint?",
"acceptedAnswer": {
"@type": "Answer",
"text": "Ultra and Studio support multipoint. Lite supports single-device pairing."
}
},
{
"@type": "Question",
"name": "What is the return policy?",
"acceptedAnswer": {
"@type": "Answer",
"text": "30-day returns on all models. Start a return from your account; see the Returns page for details."
}
}
]
},
{
"@context": "https://schema.org",
"@type": "BreadcrumbList",
"itemListElement": [
{ "@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.example.com" },
{ "@type": "ListItem", "position": 2, "name": "Guides", "item": "https://www.example.com/guides" },
{ "@type": "ListItem", "position": 3, "name": "Best Wireless Headphones", "item": "https://www.example.com/guides/best-wireless-headphones" }
]
}
]Implement and verify
- 01
Start with the live page
Confirm titles, prices, availability, policies, and visible FAQ content before generating markup.
- 02
Add one JSON-LD script
Use the combined example as a template in the document head or before the closing body tag.
- 03
Complete regional details
Fill shipping destinations and timing for every region the page actually serves.
- 04
Link the return policy
Use a stable MerchantReturnPolicy URL and keep its terms synchronized with the page.
- 05
Match visible answers
Add only FAQs that users can read on the same page, with identical answers.
- 06
Validate after changes
Run Rich Results Test after implementation and whenever price, availability, or policy data changes.
Common errors and fixes
- Missing currency or availability
Use ISO currency codes and complete schema.org availability URLs in Offer data.
- Incomplete shipping details
Include shippingDestination.addressCountry and deliveryTime.transitTime with units.
- Return policy is not connected
Reference MerchantReturnPolicy from the Offer and provide a stable public policy URL.
- FAQ answers differ from the page
Keep structured FAQ answers identical to visible answers.
Stack FAQs
Do I need Product objects for every item?
Add representative Product objects for featured items or top picks. Keep IDs, prices, and availability aligned with what’s shown on the page.
Can I include ratings in the comparison table?
Yes. If you display ratings on the page, mirror them in Product aggregateRating to avoid mismatches.