Definition
What is a product feed?
A product feed is the structured file, sent to Google Merchant Center, that describes each item in a catalogue through its attributes: title, description, price, availability, identifiers, category and images. Google uses it to match your products to searches and to generate Shopping ads and free listings. A single missing required attribute can be enough to exclude a product.
What a product feed contains
Google sorts attributes into three levels: required, conditional and optional. Required attributes (internal ID, title, description, page link, image, price, availability) decide whether the product can appear at all. Conditional attributes apply only to certain products, such as the size and colour of a garment. Optional attributes refine the description and help Google match the product to the right search.
The feed is rarely built by hand. The eCommerce platform usually exports it automatically, at a frequency that needs to keep up with price and stock changes.
Why a product gets disapproved
Google names five common causes: an incorrect product category, a wrong or missing identifier, missing variant attributes, low-quality images, or a mismatch between the feed and the site. The last one costs the most in practice: a price changed on the site but not yet in the feed can be enough to have the item removed.
Fictional example: an online store sells a winter boot. Its feed entry includes these attributes.
- The title is "Women's waterproof winter boot, black leather, size 8".
- The price is $189 and availability reads "in stock".
- The identifier is the GTIN (the number under the barcode) supplied by the manufacturer.
- The category places the item under shoes, then boots.
The store runs a $159 promotion on its site without the feed following. Google detects the gap between the two prices and can remove the item from ads until it is corrected.
We read the feed as the first performance lever on Shopping, ahead of the bid and ahead of the budget: you do not choose keywords, you describe your products. Google asks for data of the quality you would show a customer: a keyword-stuffed title that no buyer would read aloud fails that test, even if it passes technical validation.
The consequence is an organizational one. The lever belongs to the person who runs the catalogue, not the person who runs the campaigns. Until that owner is named, disapprovals can pile up while the budget flows to the eligible part of the catalogue, which is not always the part with the best margin.
Not to be confused with
- Product data maturity
- Product data maturity describes the internal state of your product information, from a shared spreadsheet to a centralized source. The feed is one of its outputs: it will never be cleaner than the data behind it.
- Shopping campaign
- The campaign sets the budget, the bid and delivery. The feed decides which products are eligible and which searches they match.
- Product page
- The product page lives on your site. The feed carries its data to Google: the two must match, or the item can be removed.
Related concepts
Further reading
- Google Shopping: the feed decides, not the campaign
- Distributors and manufacturers: why your online catalogue is unmanageable
- Google Ads ROI: from the reported ROAS to real profit
- Retailers: when a product variant deserves its own page
- Tariffs: what to change on your website when prices move
Related services
Frequently asked questions
Do I need a product feed to appear on Google Shopping?
Yes. Shopping ads and free listings are generated from the product data sent to Merchant Center. Without a feed, Google has nothing to show.
How often should the feed be updated?
As often as your prices and stock change.
Who should own the feed?
The person who runs the catalogue. The campaign manager sees the disapprovals, but it is the catalogue that fixes them.
