Compare scrapers on the exact canonical schema they extract — field coverage is a first-class ranking signal.
| Entity | Domain | Fields | Scrapers |
|---|---|---|---|
| Product Listingecommerce.product | ecommerce | 108 | 7775 |
| Grocery / Supermarket Productecommerce.grocery_product | ecommerce | 17 | 486 |
| ecommerce |
| 8 |
| 322 |
| Price Comparisonecommerce.price_comparison | ecommerce | 13 | 136 |
| Marketplace Sellerecommerce.seller | ecommerce | 13 | 100 |
| Coupon/Discount Codeecommerce.coupon | ecommerce | 13 | 52 |
