What is a Supplemental Feed?
A supplemental feed is an additional product data feed submitted alongside your primary feed to enhance listings with improved titles, descriptions, or additional attributes.
How Supplemental Feeds Work
Your primary feed comes from your ecommerce platform. A supplemental feed adds or overrides specific attributes without touching the primary feed. Google merges them automatically — the supplemental feed takes priority for fields it includes.
Common Use Cases
- Optimized titles and descriptions (improved by AI, tested via A/B testing)
- Additional product attributes (specifications, ingredients, certifications)
- Custom labels for campaign segmentation
- Corrected GTINs or brand names
Benefits
Supplemental feeds let you optimize content independently from your product team. Your PIM or Shopify store stays unchanged. The optimized content lives in the supplemental feed, auto-generated and updated on schedule. Teams report 15-22% CTR improvement after deploying supplemental feeds with optimized titles.
Related Terms
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