Additional Image Link [additional_image_link] Field for Product Feed

Optional but recommended for better product presentation (Google & ChatGPT)

The additional_image_link attribute allows you to submit extra product images beyond the main image_link. These can display your product from multiple angles, highlight details, or show it in use, helping customers make better purchase decisions.

When to use

• Optional for all products.
• Useful for showing:
  • Multiple viewing angles
  • Close-ups of details
  • Product in use or in lifestyle context
  • Components of a bundle or multipack

Format

• Type: URL (HTTP or HTTPS, ASCII only, RFC 3986 compliant)
• Limits: 0–2000 characters per URL
• File formats: JPEG (.jpg/.jpeg), WebP (.webp), PNG (.png), GIF (.gif), BMP (.bmp), TIFF (.tif/.tiff)
• Repeated field: Up to 10 images per product

File format examples:

If submitting multiple URLs, separate them with commas (,). Encode commas in URLs as %2C but not the separating commas.

Minimum requirements

• Meet all requirements for the main image_link attribute.
• Additional images may:
  • Include product staging or show the product in use.
  • Highlight parts of the product without showing the full item.
  • Show parts of a bundle or the entire multipack.
• Do not remove required IPTC metadata from AI-generated images (e.g., TrainedAlgorithmicMedia, CompositeSynthetic, AlgorithmicMedia).
• Do not submit brand-only logos, blurry/misshapen images, or watermarked images.
• Do not exceed 10 additional images.

Best practices

• Follow the same quality standards as for the main image.
• Show different angles, close-ups, or product usage scenarios.
• Use lifestyle images where relevant (e.g., furniture in a room, clothing worn by a model).
• Ensure image size meets Google’s recommendations to avoid reduced visibility.
• Use Product Studio tools (Merchant Center Next or Google & YouTube app in Shopify) to enhance resolution or remove backgrounds.

SEO Tip

High-quality additional images boost SEO and increase shopper confidence and engagement. They can lead to higher click-through rates by giving users a more complete understanding of the product.

Official Source : https://support.google.com/merchants/answer/6324370