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Google Shopping results - how are different products assigned?

Visitor ✭ ✭ ✭
# 1
Visitor ✭ ✭ ✭

Hi there,

 

I've noticed that when I review Google Shopping results for some of the products we sell, there are often more than one 'listing' for the same product - with the different listings often having slightly different product photos etc.

 

How does Google decide which 'listing' to assign a Merchant's product item to?

 

For instance, one time I found one of my products actually being listed against a different variation of the same product - with a completely different product name and photo to my product that the Shopping 'listing' was linked it!

 

I've tried to find information as to how these listings are determined but can't find any information either from Google or from anyone else.

 

It makes it rather tricky when my managers ask why our product ads are showing incorrect information in the shopping results when I have no answer for them!

 

I hope someone can enlighten me.

 

Many thanks.

1 Expert replyverified_user
1 ACCEPTED SOLUTION

Accepted Solutions
Marked as Best Answer.
Solution
Accepted by topic author Dave R
February 2017

Re: Google Shopping results - how are different products assigned?

Top Contributor
# 2
Top Contributor

the compare-prices and similar groupings are entirely algorithmic --
google has not disclosed exactly how such groupings are determined,
despite being asked many many times before.

also, google is constantly experimenting with how shopping-ads are displayed.

generally, items are grouped based on the manufacturer's global-trade-data --
which is required and must be submitted by the merchant, as assigned by the
manufacturer, or is otherwise a policy violation and grounds for items being
removed from the listings, disapproval, or (permanent) suspension, at any time.

google's algorithms may assign a summary-snippet based on,
any merchant's submitted data, manufacturer's data, or
other global-trade-data sources, known only to google.

if the summary-snippet is entirely inaccurate, be certain that the
global-trade-data that is being submitted is from a valid gs1 gtin
and brand, assigned by the manufacturer, and is exactly accurate
for the specific item-offer being sold -- typically stamped on the

product at the factory -- especially if variant-offers are submitted.

otherwise, potential policy violations by others may be reported to google.

as an aside, long-tail or more exact search-terms may sometimes exfiltrate
an item-offer from a google-assigned group -- be certain to submit accurate,
relevant, and unique titles and descriptions with respect to the physical item,

while also adding appropriate negative-words to the shopping-campaign.

see also
http://www.gs1.org/barcodes/ean-upc

 

View solution in original post

Marked as Best Answer.
Solution
Accepted by topic author Dave R
February 2017

Re: Google Shopping results - how are different products assigned?

Top Contributor
# 2
Top Contributor

the compare-prices and similar groupings are entirely algorithmic --
google has not disclosed exactly how such groupings are determined,
despite being asked many many times before.

also, google is constantly experimenting with how shopping-ads are displayed.

generally, items are grouped based on the manufacturer's global-trade-data --
which is required and must be submitted by the merchant, as assigned by the
manufacturer, or is otherwise a policy violation and grounds for items being
removed from the listings, disapproval, or (permanent) suspension, at any time.

google's algorithms may assign a summary-snippet based on,
any merchant's submitted data, manufacturer's data, or
other global-trade-data sources, known only to google.

if the summary-snippet is entirely inaccurate, be certain that the
global-trade-data that is being submitted is from a valid gs1 gtin
and brand, assigned by the manufacturer, and is exactly accurate
for the specific item-offer being sold -- typically stamped on the

product at the factory -- especially if variant-offers are submitted.

otherwise, potential policy violations by others may be reported to google.

as an aside, long-tail or more exact search-terms may sometimes exfiltrate
an item-offer from a google-assigned group -- be certain to submit accurate,
relevant, and unique titles and descriptions with respect to the physical item,

while also adding appropriate negative-words to the shopping-campaign.

see also
http://www.gs1.org/barcodes/ean-upc

 

Google Shopping results - how are different products assigned?

Visitor ✭ ✭ ✭
# 3
Visitor ✭ ✭ ✭

Hi there,

 

Thanks so much for the swift and thorough response!

 

That all makes a lot of sense - I will review specific products when these issues arise to then check that the data being sent in the product feed is fully correct and accurate.

 

This will also help in explaining the workings of the way products are displayed/grouped etc to my managers.

 

Many thanks!