What feed optimisation means
A product feed is the file that describes your catalogue to Google: title, description, price, availability, identifiers, category, images, shipping. Feed optimisation is the work of making that description match how people actually search and what the platform needs in order to match it. It is not a technical export job done once at setup; it is ongoing editing of the words and attributes that decide which searches your products appear against.
The title carries most of the weight, because a Shopping listing has no keywords and matching leans heavily on it. A title copied from an internal product name — a code, a supplier’s abbreviation, a stock reference — tells the matching system almost nothing. A title built the way a customer would describe the item, with brand, product and the attribute that decides the choice, tells it a great deal. Images and structured attributes such as category, product type, colour, size and identifiers do the rest.
Why feed optimisation matters
It is the only lever in Shopping that changes what you can be matched to. Bids change how you compete for traffic you already qualify for; the feed decides whether you qualify at all. A product with a weak title is simply absent from searches it should be winning, and no bid increase brings it back.
The economics are attractive too. Feed work is done once per pattern and applies across hundreds of rows, and it improves paid Shopping, automated campaigns and unpaid placements at the same time, because all of them read the same file.
Where feed optimisation goes wrong
The most common error is stuffing the title. Cramming every conceivable term into it makes the visible part unreadable, and the visible part is short on a shopping card — the shopper sees the beginning and nothing else. Put the words that decide the click at the front and let the attributes carry the detail.
The second is editing the wrong copy of the data. Fixing values inside Merchant Center or a supplemental feed holds only until the primary feed refreshes and overwrites them. Corrections belong where the data originates, or in a rule that reapplies itself automatically.
The third is doing it once. Catalogues change, seasons change, and the way people phrase a search shifts. A feed optimised two years ago and left alone has been drifting away from current demand ever since.
How to act on it
Start with the products that already matter — the ones carrying most of your revenue — rather than working alphabetically through the catalogue. Rewrite their titles as a customer would say them out loud, fill the identifiers and category attributes properly, and replace any image that is cluttered, dark or badly cropped. Measure at product level so you can see which rewrites moved impressions, then apply the pattern that worked across the rest of that product type. Use feed rules for changes that should apply to a whole class of products, and document them so the next person understands why a title looks the way it does. On a large catalogue fed from several systems this becomes continuous work rather than a project, which is what Merchant Center feed management covers, and the same improvements carry straight into free listings.